912 lines
35 KiB
C
912 lines
35 KiB
C
/**********************************************************************************************
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*
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* raylib-nuklear - Nuklear for Raylib.
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*
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* FEATURES:
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* - Use the nuklear immediate-mode graphical user interface in raylib.
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*
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* DEPENDENCIES:
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* - raylib 4.2 https://www.raylib.com/
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* - nuklear https://github.com/Immediate-Mode-UI/Nuklear
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*
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* LICENSE: zlib/libpng
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*
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* raylib-nuklear is licensed under an unmodified zlib/libpng license, which is an OSI-certified,
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* BSD-like license that allows static linking with closed source software:
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*
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* Copyright (c) 2020 Rob Loach (@RobLoach)
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*
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* This software is provided "as-is", without any express or implied warranty. In no event
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* will the authors be held liable for any damages arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose, including commercial
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* applications, and to alter it and redistribute it freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not claim that you
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* wrote the original software. If you use this software in a product, an acknowledgment
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* in the product documentation would be appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be misrepresented
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* as being the original software.
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*
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* 3. This notice may not be removed or altered from any source distribution.
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*
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**********************************************************************************************/
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#ifndef RAYLIB_NUKLEAR_H
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#define RAYLIB_NUKLEAR_H
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#include "raylib.h"
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// Nuklear defines
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#define NK_INCLUDE_STANDARD_VARARGS
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#define NK_INCLUDE_COMMAND_USERDATA
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// TODO: Replace NK_INCLUDE_DEFAULT_ALLOCATOR with MemAlloc() and MemFree()
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#define NK_INCLUDE_DEFAULT_ALLOCATOR
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#define NK_INCLUDE_COMMAND_USERDATA
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// TODO: Figure out if we can use STANDARD_BOOL here?
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//#define NK_INCLUDE_STANDARD_BOOL
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//#ifndef NK_BOOL
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//#define NK_BOOL bool
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//#endif // NK_BOOL
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#ifndef NK_ASSERT
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#define NK_ASSERT(condition) do { if (!(condition)) { TraceLog(LOG_WARNING, "NUKLEAR: Failed assert \"%s\" (%s:%i)", #condition, "nuklear.h", __LINE__); }} while (0)
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#endif // NK_ASSERT
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#include "nuklear.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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NK_API struct nk_context* InitNuklear(int fontSize); // Initialize the Nuklear GUI context
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NK_API struct nk_context* InitNuklearEx(Font font, float fontSize); // Initialize the Nuklear GUI context, with a custom font
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NK_API void UpdateNuklear(struct nk_context * ctx); // Update the input state and internal components for Nuklear
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NK_API void DrawNuklear(struct nk_context * ctx); // Render the Nuklear GUI on the screen
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NK_API void UnloadNuklear(struct nk_context * ctx); // Deinitialize the Nuklear context
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NK_API struct nk_color ColorToNuklear(Color color); // Convert a raylib Color to a Nuklear color object
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NK_API struct nk_colorf ColorToNuklearF(Color color); // Convert a raylib Color to a Nuklear floating color
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NK_API struct Color ColorFromNuklear(struct nk_color color); // Convert a Nuklear color to a raylib Color
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NK_API struct Color ColorFromNuklearF(struct nk_colorf color); // Convert a Nuklear floating color to a raylib Color
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NK_API struct Rectangle RectangleFromNuklear(struct nk_context * ctx, struct nk_rect rect); // Convert a Nuklear rectangle to a raylib Rectangle
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NK_API struct nk_rect RectangleToNuklear(struct nk_context * ctx, Rectangle rect); // Convert a raylib Rectangle to a Nuklear Rectangle
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NK_API struct nk_image TextureToNuklear(Texture tex); // Convert a raylib Texture to A Nuklear image
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NK_API struct Texture TextureFromNuklear(struct nk_image img); // Convert a Nuklear image to a raylib Texture
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NK_API struct nk_image LoadNuklearImage(const char* path); // Load a Nuklear image
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NK_API void UnloadNuklearImage(struct nk_image img); // Unload a Nuklear image. And free its data
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NK_API void CleanupNuklearImage(struct nk_image img); // Frees the data stored by the Nuklear image
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NK_API void SetNuklearScaling(struct nk_context * ctx, float scaling); // Sets the scaling for the given Nuklear context
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NK_API float GetNuklearScaling(struct nk_context * ctx); // Retrieves the scaling of the given Nuklear context
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#ifdef __cplusplus
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}
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#endif
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#endif // RAYLIB_NUKLEAR_H
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#ifdef RAYLIB_NUKLEAR_IMPLEMENTATION
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#ifndef RAYLIB_NUKLEAR_IMPLEMENTATION_ONCE
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#define RAYLIB_NUKLEAR_IMPLEMENTATION_ONCE
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// Math
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#ifndef NK_COS
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#define NK_COS cosf
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#endif // NK_COS
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#ifndef NK_SIN
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#define NK_SIN sinf
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#endif // NK_SIN
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#ifndef NK_INV_SQRT
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#define NK_INV_SQRT(value) (1.0f / sqrtf(value))
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#endif // NK_INV_SQRT
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#define NK_IMPLEMENTATION
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#define NK_KEYSTATE_BASED_INPUT
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#include "nuklear.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef RAYLIB_NUKLEAR_DEFAULT_FONTSIZE
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/**
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* The default font size that is used when a font size is not provided.
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*/
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#define RAYLIB_NUKLEAR_DEFAULT_FONTSIZE 10
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#endif // RAYLIB_NUKLEAR_DEFAULT_FONTSIZE
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#ifndef RAYLIB_NUKLEAR_DEFAULT_ARC_SEGMENTS
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/**
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* The amount of segments used when drawing an arc.
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*
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* @see NK_COMMAND_ARC_FILLED
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*/
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#define RAYLIB_NUKLEAR_DEFAULT_ARC_SEGMENTS 20
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#endif // RAYLIB_NUKLEAR_DEFAULT_ARC_SEGMENTS
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#ifndef RAYLIB_NUKLEAR_ROUNDING_SCALE
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/**
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* The default scaling to apply for rounded borders.
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*/
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#define RAYLIB_NUKLEAR_ROUNDING_SCALE 4.0f
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#endif
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/**
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* The user data that's leverages internally through Nuklear.
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*/
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typedef struct NuklearUserData {
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float scaling;
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} NuklearUserData;
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/**
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* Nuklear callback; Get the width of the given text.
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*
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* @internal
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*/
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NK_API float
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nk_raylib_font_get_text_width(nk_handle handle, float height, const char *text, int len)
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{
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NK_UNUSED(handle);
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if (len > 0) {
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// Grab the text with the cropped length so that it only measures the desired string length.
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const char* subtext = TextSubtext(text, 0, len);
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return (float)MeasureText(subtext, (int)height);
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}
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return 0;
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}
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/**
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* Nuklear callback; Get the width of the given text (userFont version)
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*
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* @internal
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*/
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NK_API float
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nk_raylib_font_get_text_width_user_font(nk_handle handle, float height, const char *text, int len)
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{
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if (len > 0) {
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// Grab the text with the cropped length so that it only measures the desired string length.
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const char* subtext = TextSubtext(text, 0, len);
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// Spacing is determined by the font size divided by 10.
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return MeasureTextEx(*(Font*)handle.ptr, subtext, height, height / 10.0f).x;
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}
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return 0;
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}
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/**
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* Nuklear callback; Paste the current clipboard.
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*
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* @internal
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*/
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NK_API void
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nk_raylib_clipboard_paste(nk_handle usr, struct nk_text_edit *edit)
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{
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const char *text = GetClipboardText();
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NK_UNUSED(usr);
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if (text != NULL) {
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nk_textedit_paste(edit, text, (int)TextLength(text));
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}
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}
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/**
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* Nuklear callback; Copy the given text.
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*
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* @internal
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*/
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NK_API void
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nk_raylib_clipboard_copy(nk_handle usr, const char *text, int len)
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{
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NK_UNUSED(usr);
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NK_UNUSED(len);
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SetClipboardText(text);
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}
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/**
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* Initialize the Nuklear context for use with Raylib, with the given Nuklear user font.
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*
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* @param userFont The Nuklear user font to initialize the Nuklear context with.
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*
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* @internal
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*/
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NK_API struct nk_context*
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InitNuklearContext(struct nk_user_font* userFont)
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{
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struct nk_context* ctx = (struct nk_context*)MemAlloc(sizeof(struct nk_context));
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struct NuklearUserData* userData = (struct NuklearUserData*)MemAlloc(sizeof(struct NuklearUserData));
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// Clipboard
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ctx->clip.copy = nk_raylib_clipboard_copy;
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ctx->clip.paste = nk_raylib_clipboard_paste;
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ctx->clip.userdata = nk_handle_ptr(0);
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// Create the nuklear environment.
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if (nk_init_default(ctx, userFont) == 0) {
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TraceLog(LOG_ERROR, "NUKLEAR: Failed to initialize nuklear");
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return NULL;
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}
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// Set the internal user data.
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userData->scaling = 1.0f;
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nk_handle userDataHandle;
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userDataHandle.id = 1;
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userDataHandle.ptr = (void*)userData;
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nk_set_user_data(ctx, userDataHandle);
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TraceLog(LOG_INFO, "NUKLEAR: Initialized GUI");
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return ctx;
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}
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/**
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* Initialize the Nuklear context for use with Raylib.
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*
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* @param fontSize The size of the font to use for GUI text. Use 0 to use the default font size of 10.
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*
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* @return The nuklear context, or NULL on error.
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*/
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NK_API struct nk_context*
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InitNuklear(int fontSize)
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{
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// User font.
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struct nk_user_font* userFont = (struct nk_user_font*)MemAlloc(sizeof(struct nk_user_font));
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// Use the default font size if desired.
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if (fontSize <= 0) {
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fontSize = RAYLIB_NUKLEAR_DEFAULT_FONTSIZE;
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}
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userFont->height = (float)fontSize;
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userFont->width = nk_raylib_font_get_text_width;
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userFont->userdata = nk_handle_ptr(0);
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// Nuklear context.
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return InitNuklearContext(userFont);
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}
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/**
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* Initialize the Nuklear context for use with Raylib, with a supplied custom font.
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*
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* @param font The custom raylib font to use with Nuklear.
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* @param fontSize The desired size of the font. Use 0 to set the default size of 10.
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*
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* @return The nuklear context, or NULL on error.
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*/
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NK_API struct nk_context*
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InitNuklearEx(Font font, float fontSize)
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{
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// Copy the font to a new raylib font pointer.
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struct Font* newFont = (struct Font*)MemAlloc(sizeof(struct Font));
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// Use the default font size if desired.
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if (fontSize <= 0.0f) {
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fontSize = (float)RAYLIB_NUKLEAR_DEFAULT_FONTSIZE;
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}
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newFont->baseSize = font.baseSize;
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newFont->glyphCount = font.glyphCount;
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newFont->glyphPadding = font.glyphPadding;
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newFont->glyphs = font.glyphs;
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newFont->recs = font.recs;
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newFont->texture = font.texture;
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// Create the nuklear user font.
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struct nk_user_font* userFont = (struct nk_user_font*)MemAlloc(sizeof(struct nk_user_font));
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userFont->userdata = nk_handle_ptr(newFont);
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userFont->height = fontSize;
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userFont->width = nk_raylib_font_get_text_width_user_font;
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// Nuklear context.
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return InitNuklearContext(userFont);
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}
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/**
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* Convert the given Nuklear color to a raylib color.
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*/
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NK_API Color
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ColorFromNuklear(struct nk_color color)
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{
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Color rc;
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rc.a = color.a;
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rc.r = color.r;
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rc.g = color.g;
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rc.b = color.b;
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return rc;
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}
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/**
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* Convert the given raylib color to a Nuklear color.
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*/
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NK_API struct nk_color
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ColorToNuklear(Color color)
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{
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struct nk_color rc;
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rc.a = color.a;
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rc.r = color.r;
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rc.g = color.g;
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rc.b = color.b;
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return rc;
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}
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/**
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* Convert the given Nuklear float color to a raylib color.
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*/
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NK_API Color
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ColorFromNuklearF(struct nk_colorf color)
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{
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return ColorFromNuklear(nk_rgba_cf(color));
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}
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/**
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* Convert the given raylib color to a raylib float color.
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*/
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NK_API struct nk_colorf
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ColorToNuklearF(Color color)
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{
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return nk_color_cf(ColorToNuklear(color));
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}
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/**
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* Draw the given Nuklear context in raylib.
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*
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* @param ctx The nuklear context.
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*/
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NK_API void
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DrawNuklear(struct nk_context * ctx)
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{
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const struct nk_command *cmd;
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const float scale = GetNuklearScaling(ctx);
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nk_foreach(cmd, ctx) {
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switch (cmd->type) {
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case NK_COMMAND_NOP: {
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break;
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}
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case NK_COMMAND_SCISSOR: {
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// TODO(RobLoach): Verify if NK_COMMAND_SCISSOR works.
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const struct nk_command_scissor *s =(const struct nk_command_scissor*)cmd;
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BeginScissorMode((int)(s->x * scale), (int)(s->y * scale), (int)(s->w * scale), (int)(s->h * scale));
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} break;
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case NK_COMMAND_LINE: {
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const struct nk_command_line *l = (const struct nk_command_line *)cmd;
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Color color = ColorFromNuklear(l->color);
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Vector2 startPos = {(float)l->begin.x * scale, (float)l->begin.y * scale};
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Vector2 endPos = {(float)l->end.x * scale, (float)l->end.y * scale};
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DrawLineEx(startPos, endPos, l->line_thickness * scale, color);
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} break;
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case NK_COMMAND_CURVE: {
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const struct nk_command_curve *q = (const struct nk_command_curve *)cmd;
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Color color = ColorFromNuklear(q->color);
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// Vector2 start = {(float)q->begin.x, (float)q->begin.y};
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Vector2 start = {(float)q->begin.x * scale, (float)q->begin.y * scale};
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// Vector2 controlPoint1 = (Vector2){q->ctrl[0].x, q->ctrl[0].y};
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// Vector2 controlPoint2 = (Vector2){q->ctrl[1].x, q->ctrl[1].y};
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// Vector2 end = {(float)q->end.x, (float)q->end.y};
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Vector2 end = {(float)q->end.x * scale, (float)q->end.y * scale};
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// TODO: Encorporate segmented control point bezier curve?
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// DrawLineBezier(start, controlPoint1, (float)q->line_thickness, color);
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// DrawLineBezier(controlPoint1, controlPoint2, (float)q->line_thickness, color);
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// DrawLineBezier(controlPoint2, end, (float)q->line_thickness, color);
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// DrawLineBezier(start, end, (float)q->line_thickness, color);
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DrawLineBezier(start, end, (float)q->line_thickness * scale, color);
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} break;
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case NK_COMMAND_RECT: {
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const struct nk_command_rect *r = (const struct nk_command_rect *)cmd;
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Color color = ColorFromNuklear(r->color);
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Rectangle rect = {(float)r->x * scale, (float)r->y * scale, (float)r->w * scale, (float)r->h * scale};
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float roundness = (float)r->rounding * RAYLIB_NUKLEAR_ROUNDING_SCALE / (rect.width + rect.height);
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if (roundness > 0.0f) {
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DrawRectangleRoundedLines(rect, roundness, RAYLIB_NUKLEAR_DEFAULT_ARC_SEGMENTS, (float)r->line_thickness * scale, color);
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}
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else {
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DrawRectangleLinesEx(rect, r->line_thickness * scale, color);
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}
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} break;
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case NK_COMMAND_RECT_FILLED: {
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const struct nk_command_rect_filled *r = (const struct nk_command_rect_filled *)cmd;
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Color color = ColorFromNuklear(r->color);
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Rectangle rect = {(float)r->x * scale, (float)r->y * scale, (float)r->w * scale, (float)r->h * scale};
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float roundness = (float)r->rounding * RAYLIB_NUKLEAR_ROUNDING_SCALE / (rect.width + rect.height);
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if (roundness > 0.0f) {
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DrawRectangleRounded(rect, roundness, RAYLIB_NUKLEAR_DEFAULT_ARC_SEGMENTS, color);
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}
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else {
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DrawRectangleRec(rect, color);
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}
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} break;
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case NK_COMMAND_RECT_MULTI_COLOR: {
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const struct nk_command_rect_multi_color* rectangle = (const struct nk_command_rect_multi_color *)cmd;
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Rectangle position = {(float)rectangle->x * scale, (float)rectangle->y * scale, (float)rectangle->w * scale, (float)rectangle->h * scale};
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Color left = ColorFromNuklear(rectangle->left);
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Color top = ColorFromNuklear(rectangle->top);
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Color bottom = ColorFromNuklear(rectangle->bottom);
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Color right = ColorFromNuklear(rectangle->right);
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DrawRectangleGradientEx(position, left, bottom, right, top);
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} break;
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case NK_COMMAND_CIRCLE: {
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const struct nk_command_circle *c = (const struct nk_command_circle *)cmd;
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Color color = ColorFromNuklear(c->color);
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DrawEllipseLines((int)(c->x * scale + c->w * scale / 2.0f), (int)(c->y * scale + c->h * scale / 2.0f), (int)(c->w * scale / 2.0f), (int)(c->h * scale / 2.0f), color);
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} break;
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case NK_COMMAND_CIRCLE_FILLED: {
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const struct nk_command_circle_filled *c = (const struct nk_command_circle_filled *)cmd;
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Color color = ColorFromNuklear(c->color);
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DrawEllipse((int)(c->x * scale + c->w * scale / 2.0f), (int)(c->y * scale + c->h * scale / 2.0f), (int)(c->w * scale / 2), (int)(c->h * scale / 2), color);
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} break;
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case NK_COMMAND_ARC: {
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const struct nk_command_arc *a = (const struct nk_command_arc*)cmd;
|
|
Color color = ColorFromNuklear(a->color);
|
|
Vector2 center = {(float)a->cx, (float)a->cy};
|
|
DrawRingLines(center, 0, a->r * scale, a->a[0] * RAD2DEG - 45, a->a[1] * RAD2DEG - 45, RAYLIB_NUKLEAR_DEFAULT_ARC_SEGMENTS, color);
|
|
} break;
|
|
|
|
case NK_COMMAND_ARC_FILLED: {
|
|
const struct nk_command_arc_filled *a = (const struct nk_command_arc_filled*)cmd;
|
|
Color color = ColorFromNuklear(a->color);
|
|
Vector2 center = {(float)a->cx * scale, (float)a->cy * scale};
|
|
DrawRing(center, 0, a->r * scale, a->a[0] * RAD2DEG - 45, a->a[1] * RAD2DEG - 45, RAYLIB_NUKLEAR_DEFAULT_ARC_SEGMENTS, color);
|
|
} break;
|
|
|
|
case NK_COMMAND_TRIANGLE: {
|
|
const struct nk_command_triangle *t = (const struct nk_command_triangle*)cmd;
|
|
Color color = ColorFromNuklear(t->color);
|
|
Vector2 point1 = {(float)t->b.x * scale, (float)t->b.y * scale};
|
|
Vector2 point2 = {(float)t->a.x * scale, (float)t->a.y * scale};
|
|
Vector2 point3 = {(float)t->c.x * scale, (float)t->c.y * scale};
|
|
DrawTriangleLines(point1, point2, point3, color);
|
|
} break;
|
|
|
|
case NK_COMMAND_TRIANGLE_FILLED: {
|
|
const struct nk_command_triangle_filled *t = (const struct nk_command_triangle_filled*)cmd;
|
|
Color color = ColorFromNuklear(t->color);
|
|
Vector2 point1 = {(float)t->b.x * scale, (float)t->b.y * scale};
|
|
Vector2 point2 = {(float)t->a.x * scale, (float)t->a.y * scale};
|
|
Vector2 point3 = {(float)t->c.x * scale, (float)t->c.y * scale};
|
|
DrawTriangle(point1, point2, point3, color);
|
|
} break;
|
|
|
|
case NK_COMMAND_POLYGON: {
|
|
// TODO: Confirm Polygon
|
|
const struct nk_command_polygon *p = (const struct nk_command_polygon*)cmd;
|
|
Color color = ColorFromNuklear(p->color);
|
|
struct Vector2* points = (struct Vector2*)MemAlloc(p->point_count * (unsigned short)sizeof(Vector2));
|
|
unsigned short i;
|
|
for (i = 0; i < p->point_count; i++) {
|
|
points[i].x = p->points[i].x * scale;
|
|
points[i].y = p->points[i].y * scale;
|
|
}
|
|
DrawTriangleStrip(points, p->point_count, color);
|
|
MemFree(points);
|
|
} break;
|
|
|
|
case NK_COMMAND_POLYGON_FILLED: {
|
|
// TODO: Polygon filled expects counter clockwise order
|
|
const struct nk_command_polygon_filled *p = (const struct nk_command_polygon_filled*)cmd;
|
|
Color color = ColorFromNuklear(p->color);
|
|
struct Vector2* points = (struct Vector2*)MemAlloc(p->point_count * (unsigned short)sizeof(Vector2));
|
|
unsigned short i;
|
|
for (i = 0; i < p->point_count; i++) {
|
|
points[i].x = p->points[i].x * scale;
|
|
points[i].y = p->points[i].y * scale;
|
|
}
|
|
DrawTriangleFan(points, p->point_count, color);
|
|
MemFree(points);
|
|
} break;
|
|
|
|
case NK_COMMAND_POLYLINE: {
|
|
// TODO: Polygon expects counter clockwise order
|
|
const struct nk_command_polyline *p = (const struct nk_command_polyline *)cmd;
|
|
Color color = ColorFromNuklear(p->color);
|
|
struct Vector2* points = (struct Vector2*)MemAlloc(p->point_count * (unsigned short)sizeof(Vector2));
|
|
unsigned short i;
|
|
for (i = 0; i < p->point_count; i++) {
|
|
points[i].x = p->points[i].x * scale;
|
|
points[i].y = p->points[i].y * scale;
|
|
}
|
|
DrawTriangleStrip(points, p->point_count, color);
|
|
MemFree(points);
|
|
} break;
|
|
|
|
case NK_COMMAND_TEXT: {
|
|
const struct nk_command_text *text = (const struct nk_command_text*)cmd;
|
|
Color color = ColorFromNuklear(text->foreground);
|
|
float fontSize = text->font->height * scale;
|
|
Font* font = (Font*)text->font->userdata.ptr;
|
|
if (font != NULL) {
|
|
Vector2 position = {(float)text->x * scale, (float)text->y * scale};
|
|
DrawTextEx(*font, (const char*)text->string, position, fontSize, fontSize / 10.0f, color);
|
|
}
|
|
else {
|
|
DrawText((const char*)text->string, (int)(text->x * scale), (int)(text->y * scale), (int)fontSize, color);
|
|
}
|
|
} break;
|
|
|
|
case NK_COMMAND_IMAGE: {
|
|
const struct nk_command_image *i = (const struct nk_command_image *)cmd;
|
|
Texture texture = *(Texture*)i->img.handle.ptr;
|
|
Rectangle source = {0, 0, (float)texture.width, (float)texture.height};
|
|
Rectangle dest = {(float)i->x * scale, (float)i->y * scale, (float)i->w * scale, (float)i->h * scale};
|
|
Vector2 origin = {0, 0};
|
|
Color tint = ColorFromNuklear(i->col);
|
|
DrawTexturePro(texture, source, dest, origin, 0, tint);
|
|
} break;
|
|
|
|
case NK_COMMAND_CUSTOM: {
|
|
TraceLog(LOG_WARNING, "NUKLEAR: Unverified custom callback implementation NK_COMMAND_CUSTOM");
|
|
const struct nk_command_custom *custom = (const struct nk_command_custom *)cmd;
|
|
custom->callback(NULL, (short)(custom->x * scale), (short)(custom->y * scale), (unsigned short)(custom->w * scale), (unsigned short)(custom->h * scale), custom->callback_data);
|
|
} break;
|
|
|
|
default: {
|
|
TraceLog(LOG_WARNING, "NUKLEAR: Missing implementation %i", cmd->type);
|
|
} break;
|
|
}
|
|
}
|
|
|
|
nk_clear(ctx);
|
|
}
|
|
|
|
/**
|
|
* Update the Nuklear context for the keyboard input from raylib.
|
|
*
|
|
* @param ctx The nuklear context.
|
|
*
|
|
* @internal
|
|
*/
|
|
NK_API void nk_raylib_input_keyboard(struct nk_context * ctx)
|
|
{
|
|
bool control = IsKeyDown(KEY_LEFT_CONTROL) || IsKeyDown(KEY_RIGHT_CONTROL);
|
|
bool shift = IsKeyDown(KEY_LEFT_SHIFT) || IsKeyDown(KEY_RIGHT_SHIFT);
|
|
nk_input_key(ctx, NK_KEY_SHIFT, shift);
|
|
nk_input_key(ctx, NK_KEY_CTRL, control);
|
|
nk_input_key(ctx, NK_KEY_DEL, IsKeyDown(KEY_DELETE));
|
|
nk_input_key(ctx, NK_KEY_ENTER, IsKeyDown(KEY_ENTER) || IsKeyDown(KEY_KP_ENTER));
|
|
nk_input_key(ctx, NK_KEY_TAB, IsKeyDown(KEY_TAB));
|
|
nk_input_key(ctx, NK_KEY_BACKSPACE, IsKeyDown(KEY_BACKSPACE));
|
|
nk_input_key(ctx, NK_KEY_COPY, IsKeyPressed(KEY_C) && control);
|
|
nk_input_key(ctx, NK_KEY_CUT, IsKeyPressed(KEY_X) && control);
|
|
nk_input_key(ctx, NK_KEY_PASTE, IsKeyPressed(KEY_V) && control);
|
|
nk_input_key(ctx, NK_KEY_TEXT_LINE_START, IsKeyPressed(KEY_B) && control);
|
|
nk_input_key(ctx, NK_KEY_TEXT_LINE_END, IsKeyPressed(KEY_E) && control);
|
|
nk_input_key(ctx, NK_KEY_TEXT_UNDO, IsKeyDown(KEY_Z) && control);
|
|
nk_input_key(ctx, NK_KEY_TEXT_REDO, IsKeyDown(KEY_R) && control);
|
|
nk_input_key(ctx, NK_KEY_TEXT_SELECT_ALL, IsKeyDown(KEY_A) && control);
|
|
nk_input_key(ctx, NK_KEY_TEXT_WORD_LEFT, IsKeyDown(KEY_LEFT) && control);
|
|
nk_input_key(ctx, NK_KEY_TEXT_WORD_RIGHT, IsKeyDown(KEY_RIGHT) && control);
|
|
nk_input_key(ctx, NK_KEY_LEFT, IsKeyDown(KEY_LEFT) && !control);
|
|
nk_input_key(ctx, NK_KEY_RIGHT, IsKeyDown(KEY_RIGHT) && !control);
|
|
//nk_input_key(ctx, NK_KEY_TEXT_INSERT_MODE, IsKeyDown());
|
|
//nk_input_key(ctx, NK_KEY_TEXT_REPLACE_MODE, IsKeyDown());
|
|
//nk_input_key(ctx, NK_KEY_TEXT_RESET_MODE, IsKeyDown());
|
|
nk_input_key(ctx, NK_KEY_UP, IsKeyDown(KEY_UP));
|
|
nk_input_key(ctx, NK_KEY_DOWN, IsKeyDown(KEY_DOWN));
|
|
nk_input_key(ctx, NK_KEY_TEXT_START, IsKeyDown(KEY_HOME));
|
|
nk_input_key(ctx, NK_KEY_TEXT_END, IsKeyDown(KEY_END));
|
|
nk_input_key(ctx, NK_KEY_SCROLL_START, IsKeyDown(KEY_HOME) && control);
|
|
nk_input_key(ctx, NK_KEY_SCROLL_END, IsKeyDown(KEY_END) && control);
|
|
nk_input_key(ctx, NK_KEY_SCROLL_DOWN, IsKeyDown(KEY_PAGE_DOWN));
|
|
nk_input_key(ctx, NK_KEY_SCROLL_UP, IsKeyDown(KEY_PAGE_UP));
|
|
|
|
// Keys
|
|
if (IsKeyPressed(KEY_APOSTROPHE)) nk_input_unicode(ctx, shift ? 34 : (nk_rune)KEY_APOSTROPHE);
|
|
if (IsKeyPressed(KEY_COMMA)) nk_input_unicode(ctx, shift ? 60 : (nk_rune)KEY_COMMA);
|
|
if (IsKeyPressed(KEY_MINUS)) nk_input_unicode(ctx, shift ? 95 : (nk_rune)KEY_MINUS);
|
|
if (IsKeyPressed(KEY_PERIOD)) nk_input_unicode(ctx, shift ? 62 : (nk_rune)KEY_PERIOD);
|
|
if (IsKeyPressed(KEY_SLASH)) nk_input_unicode(ctx, shift ? 63 : (nk_rune)KEY_SLASH);
|
|
if (IsKeyPressed(KEY_ZERO)) nk_input_unicode(ctx, shift ? 41 : (nk_rune)KEY_ZERO);
|
|
if (IsKeyPressed(KEY_ONE)) nk_input_unicode(ctx, shift ? 33 : (nk_rune)KEY_ONE);
|
|
if (IsKeyPressed(KEY_TWO)) nk_input_unicode(ctx, shift ? 64 : (nk_rune)KEY_TWO);
|
|
if (IsKeyPressed(KEY_THREE)) nk_input_unicode(ctx, shift ? 35 : (nk_rune)KEY_THREE);
|
|
if (IsKeyPressed(KEY_FOUR)) nk_input_unicode(ctx, shift ? 36 : (nk_rune)KEY_FOUR);
|
|
if (IsKeyPressed(KEY_FIVE)) nk_input_unicode(ctx, shift ? 37 : (nk_rune)KEY_FIVE);
|
|
if (IsKeyPressed(KEY_SIX)) nk_input_unicode(ctx, shift ? 94 : (nk_rune)KEY_SIX);
|
|
if (IsKeyPressed(KEY_SEVEN)) nk_input_unicode(ctx, shift ? 38 : (nk_rune)KEY_SEVEN);
|
|
if (IsKeyPressed(KEY_EIGHT)) nk_input_unicode(ctx, shift ? 42 : (nk_rune)KEY_EIGHT);
|
|
if (IsKeyPressed(KEY_NINE)) nk_input_unicode(ctx, shift ? 40 : (nk_rune)KEY_NINE);
|
|
if (IsKeyPressed(KEY_SEMICOLON)) nk_input_unicode(ctx, shift ? 41 : (nk_rune)KEY_SEMICOLON);
|
|
if (IsKeyPressed(KEY_EQUAL)) nk_input_unicode(ctx, shift ? 43 : (nk_rune)KEY_EQUAL);
|
|
if (IsKeyPressed(KEY_A)) nk_input_unicode(ctx, shift ? KEY_A : KEY_A + 32);
|
|
if (IsKeyPressed(KEY_B)) nk_input_unicode(ctx, shift ? KEY_B : KEY_B + 32);
|
|
if (IsKeyPressed(KEY_C)) nk_input_unicode(ctx, shift ? KEY_C : KEY_C + 32);
|
|
if (IsKeyPressed(KEY_D)) nk_input_unicode(ctx, shift ? KEY_D : KEY_D + 32);
|
|
if (IsKeyPressed(KEY_E)) nk_input_unicode(ctx, shift ? KEY_E : KEY_E + 32);
|
|
if (IsKeyPressed(KEY_F)) nk_input_unicode(ctx, shift ? KEY_F : KEY_F + 32);
|
|
if (IsKeyPressed(KEY_G)) nk_input_unicode(ctx, shift ? KEY_G : KEY_G + 32);
|
|
if (IsKeyPressed(KEY_H)) nk_input_unicode(ctx, shift ? KEY_H : KEY_H + 32);
|
|
if (IsKeyPressed(KEY_I)) nk_input_unicode(ctx, shift ? KEY_I : KEY_I + 32);
|
|
if (IsKeyPressed(KEY_J)) nk_input_unicode(ctx, shift ? KEY_J : KEY_J + 32);
|
|
if (IsKeyPressed(KEY_K)) nk_input_unicode(ctx, shift ? KEY_K : KEY_K + 32);
|
|
if (IsKeyPressed(KEY_L)) nk_input_unicode(ctx, shift ? KEY_L : KEY_L + 32);
|
|
if (IsKeyPressed(KEY_M)) nk_input_unicode(ctx, shift ? KEY_M : KEY_M + 32);
|
|
if (IsKeyPressed(KEY_N)) nk_input_unicode(ctx, shift ? KEY_N : KEY_N + 32);
|
|
if (IsKeyPressed(KEY_O)) nk_input_unicode(ctx, shift ? KEY_O : KEY_O + 32);
|
|
if (IsKeyPressed(KEY_P)) nk_input_unicode(ctx, shift ? KEY_P : KEY_P + 32);
|
|
if (IsKeyPressed(KEY_Q)) nk_input_unicode(ctx, shift ? KEY_Q : KEY_Q + 32);
|
|
if (IsKeyPressed(KEY_R)) nk_input_unicode(ctx, shift ? KEY_R : KEY_R + 32);
|
|
if (IsKeyPressed(KEY_S)) nk_input_unicode(ctx, shift ? KEY_S : KEY_S + 32);
|
|
if (IsKeyPressed(KEY_T)) nk_input_unicode(ctx, shift ? KEY_T : KEY_T + 32);
|
|
if (IsKeyPressed(KEY_U)) nk_input_unicode(ctx, shift ? KEY_U : KEY_U + 32);
|
|
if (IsKeyPressed(KEY_V)) nk_input_unicode(ctx, shift ? KEY_V : KEY_V + 32);
|
|
if (IsKeyPressed(KEY_W)) nk_input_unicode(ctx, shift ? KEY_W : KEY_W + 32);
|
|
if (IsKeyPressed(KEY_X)) nk_input_unicode(ctx, shift ? KEY_X : KEY_X + 32);
|
|
if (IsKeyPressed(KEY_Y)) nk_input_unicode(ctx, shift ? KEY_Y : KEY_Y + 32);
|
|
if (IsKeyPressed(KEY_Z)) nk_input_unicode(ctx, shift ? KEY_Z : KEY_Z + 32);
|
|
if (IsKeyPressed(KEY_LEFT_BRACKET)) nk_input_unicode(ctx, shift ? 123 : (nk_rune)KEY_LEFT_BRACKET);
|
|
if (IsKeyPressed(KEY_BACKSLASH)) nk_input_unicode(ctx, shift ? 124 : (nk_rune)KEY_BACKSLASH);
|
|
if (IsKeyPressed(KEY_RIGHT_BRACKET)) nk_input_unicode(ctx, shift ? 125 : (nk_rune)KEY_RIGHT_BRACKET);
|
|
if (IsKeyPressed(KEY_GRAVE)) nk_input_unicode(ctx, shift ? 126 : (nk_rune)KEY_GRAVE);
|
|
|
|
// Functions
|
|
if (IsKeyPressed(KEY_SPACE)) nk_input_unicode(ctx, KEY_SPACE);
|
|
if (IsKeyPressed(KEY_TAB)) nk_input_unicode(ctx, 9);
|
|
|
|
// Keypad
|
|
if (IsKeyPressed(KEY_KP_0)) nk_input_unicode(ctx, KEY_ZERO);
|
|
if (IsKeyPressed(KEY_KP_1)) nk_input_unicode(ctx, KEY_ONE);
|
|
if (IsKeyPressed(KEY_KP_2)) nk_input_unicode(ctx, KEY_TWO);
|
|
if (IsKeyPressed(KEY_KP_3)) nk_input_unicode(ctx, KEY_THREE);
|
|
if (IsKeyPressed(KEY_KP_4)) nk_input_unicode(ctx, KEY_FOUR);
|
|
if (IsKeyPressed(KEY_KP_5)) nk_input_unicode(ctx, KEY_FIVE);
|
|
if (IsKeyPressed(KEY_KP_6)) nk_input_unicode(ctx, KEY_SIX);
|
|
if (IsKeyPressed(KEY_KP_7)) nk_input_unicode(ctx, KEY_SEVEN);
|
|
if (IsKeyPressed(KEY_KP_8)) nk_input_unicode(ctx, KEY_EIGHT);
|
|
if (IsKeyPressed(KEY_KP_9)) nk_input_unicode(ctx, KEY_NINE);
|
|
if (IsKeyPressed(KEY_KP_DECIMAL)) nk_input_unicode(ctx, KEY_PERIOD);
|
|
if (IsKeyPressed(KEY_KP_DIVIDE)) nk_input_unicode(ctx, KEY_SLASH);
|
|
if (IsKeyPressed(KEY_KP_MULTIPLY)) nk_input_unicode(ctx, 48);
|
|
if (IsKeyPressed(KEY_KP_SUBTRACT)) nk_input_unicode(ctx, 45);
|
|
if (IsKeyPressed(KEY_KP_ADD)) nk_input_unicode(ctx, 43);
|
|
}
|
|
|
|
/**
|
|
* Update the Nuklear context for the mouse input from raylib.
|
|
*
|
|
* @param ctx The nuklear context.
|
|
*
|
|
* @internal
|
|
*/
|
|
NK_API void nk_raylib_input_mouse(struct nk_context * ctx)
|
|
{
|
|
const float scale = GetNuklearScaling(ctx);
|
|
const int mouseX = (int)((float)GetMouseX() / scale);
|
|
const int mouseY = (int)((float)GetMouseY() / scale);
|
|
|
|
nk_input_motion(ctx, mouseX, mouseY);
|
|
nk_input_button(ctx, NK_BUTTON_LEFT, mouseX, mouseY, IsMouseButtonDown(MOUSE_LEFT_BUTTON));
|
|
nk_input_button(ctx, NK_BUTTON_RIGHT, mouseX, mouseY, IsMouseButtonDown(MOUSE_RIGHT_BUTTON));
|
|
nk_input_button(ctx, NK_BUTTON_MIDDLE, mouseX, mouseY, IsMouseButtonDown(MOUSE_MIDDLE_BUTTON));
|
|
|
|
// Mouse Wheel
|
|
float mouseWheel = GetMouseWheelMove();
|
|
if (mouseWheel != 0.0f) {
|
|
struct nk_vec2 mouseWheelMove;
|
|
mouseWheelMove.x = 0.0f;
|
|
mouseWheelMove.y = mouseWheel;
|
|
nk_input_scroll(ctx, mouseWheelMove);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Update the Nuklear context for raylib's state.
|
|
*
|
|
* @param ctx The nuklear context to act upon.
|
|
*/
|
|
NK_API void
|
|
UpdateNuklear(struct nk_context * ctx)
|
|
{
|
|
// Update the time that has changed since last frame.
|
|
ctx->delta_time_seconds = GetFrameTime();
|
|
|
|
// Update the input state.
|
|
nk_input_begin(ctx);
|
|
{
|
|
nk_raylib_input_mouse(ctx);
|
|
nk_raylib_input_keyboard(ctx);
|
|
}
|
|
nk_input_end(ctx);
|
|
}
|
|
|
|
/**
|
|
* Unload the given Nuklear context, along with all internal raylib textures.
|
|
*
|
|
* @param ctx The nuklear context.
|
|
*/
|
|
NK_API void
|
|
UnloadNuklear(struct nk_context * ctx)
|
|
{
|
|
struct nk_user_font* userFont;
|
|
|
|
// Skip unloading if it's not set.
|
|
if (ctx == NULL) {
|
|
return;
|
|
}
|
|
|
|
// Unload the font.
|
|
userFont = (struct nk_user_font*)ctx->style.font;
|
|
if (userFont != NULL) {
|
|
// Clear the raylib Font object.
|
|
void* fontPtr = userFont->userdata.ptr;
|
|
if (fontPtr != NULL) {
|
|
MemFree(fontPtr);
|
|
}
|
|
|
|
// Clear the user font.
|
|
MemFree(userFont);
|
|
ctx->style.font = NULL;
|
|
}
|
|
|
|
// Unload the custom user data.
|
|
if (ctx->userdata.ptr != NULL) {
|
|
MemFree(ctx->userdata.ptr);
|
|
}
|
|
|
|
// Unload the nuklear context.
|
|
nk_free(ctx);
|
|
TraceLog(LOG_INFO, "NUKLEAR: Unloaded GUI");
|
|
}
|
|
|
|
/**
|
|
* Convert the given Nuklear rectangle to a raylib Rectangle.
|
|
*/
|
|
NK_API struct
|
|
Rectangle RectangleFromNuklear(struct nk_context* ctx, struct nk_rect rect)
|
|
{
|
|
float scaling = GetNuklearScaling(ctx);
|
|
Rectangle output;
|
|
output.x = rect.x * scaling;
|
|
output.y = rect.y * scaling;
|
|
output.width = rect.w * scaling;
|
|
output.height = rect.h * scaling;
|
|
return output;
|
|
}
|
|
|
|
/**
|
|
* Convert the given raylib Rectangle to a Nuklear rectangle.
|
|
*/
|
|
NK_API struct
|
|
nk_rect RectangleToNuklear(struct nk_context* ctx, Rectangle rect)
|
|
{
|
|
float scaling = GetNuklearScaling(ctx);
|
|
return nk_rect(rect.x / scaling, rect.y / scaling, rect.width / scaling, rect.height / scaling);
|
|
}
|
|
|
|
/**
|
|
* Convert the given raylib texture to a Nuklear image
|
|
*/
|
|
NK_API struct nk_image TextureToNuklear(Texture tex)
|
|
{
|
|
// Declare the img to store data and allocate memory
|
|
// For the texture
|
|
struct nk_image img;
|
|
struct Texture* stored_tex = (struct Texture*)MemAlloc(sizeof(Texture));
|
|
|
|
// Copy the data from the texture given into the new texture
|
|
stored_tex->id = tex.id;
|
|
stored_tex->width = tex.width;
|
|
stored_tex->height = tex.height;
|
|
stored_tex->mipmaps = tex.mipmaps;
|
|
stored_tex->format = tex.format;
|
|
|
|
// Initialize the nk_image struct
|
|
img.handle.ptr = stored_tex;
|
|
img.w = (nk_ushort)stored_tex->width;
|
|
img.h = (nk_ushort)stored_tex->height;
|
|
|
|
return img;
|
|
}
|
|
|
|
/**
|
|
* Convert the given Nuklear image to a raylib Texture
|
|
*/
|
|
NK_API struct Texture TextureFromNuklear(struct nk_image img)
|
|
{
|
|
// Declare texture for storage
|
|
// And get back the stored texture
|
|
Texture tex;
|
|
Texture* stored_tex = (Texture*)img.handle.ptr;
|
|
|
|
// Copy the data from the stored texture to the texture
|
|
tex.id = stored_tex->id;
|
|
tex.width = stored_tex->width;
|
|
tex.height = stored_tex->height;
|
|
tex.mipmaps = stored_tex->mipmaps;
|
|
tex.format = stored_tex->format;
|
|
|
|
return tex;
|
|
}
|
|
|
|
/**
|
|
* Load a Nuklear image directly
|
|
*
|
|
* @param path The path to the image
|
|
*/
|
|
NK_API struct nk_image LoadNuklearImage(const char* path)
|
|
{
|
|
return TextureToNuklear(LoadTexture(path));
|
|
}
|
|
|
|
/**
|
|
* Unload a loaded Nuklear image
|
|
*
|
|
* @param img The Nuklear image to unload
|
|
*/
|
|
NK_API void UnloadNuklearImage(struct nk_image img)
|
|
{
|
|
Texture tex = TextureFromNuklear(img);
|
|
UnloadTexture(tex);
|
|
CleanupNuklearImage(img);
|
|
}
|
|
|
|
/**
|
|
* Cleans up memory used by a Nuklear image
|
|
* Does not unload the image.
|
|
*
|
|
* @param img The Nuklear image to cleanup
|
|
*/
|
|
NK_API void CleanupNuklearImage(struct nk_image img)
|
|
{
|
|
MemFree(img.handle.ptr);
|
|
}
|
|
|
|
/**
|
|
* Sets the scaling of the given Nuklear context.
|
|
*
|
|
* @param ctx The nuklear context.
|
|
* @param scaling How much scale to apply to the graphical user interface.
|
|
*/
|
|
NK_API void SetNuklearScaling(struct nk_context * ctx, float scaling)
|
|
{
|
|
if (ctx == NULL) {
|
|
return;
|
|
}
|
|
|
|
if (scaling <= 0.0f) {
|
|
TraceLog(LOG_WARNING, "NUKLEAR: Cannot set scaling to be less than 0");
|
|
return;
|
|
}
|
|
|
|
struct NuklearUserData* userData = (struct NuklearUserData*)ctx->userdata.ptr;
|
|
if (userData != NULL) {
|
|
userData->scaling = scaling;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Retrieves the scale value of the given Nuklear context.
|
|
*
|
|
* @return The scale value that had been set for the Nuklear context. 1.0f is the default scale value.
|
|
*/
|
|
NK_API float GetNuklearScaling(struct nk_context * ctx)
|
|
{
|
|
if (ctx == NULL) {
|
|
return 1.0f;
|
|
}
|
|
|
|
struct NuklearUserData* userData = (struct NuklearUserData*)ctx->userdata.ptr;
|
|
if (userData != NULL) {
|
|
return userData->scaling;
|
|
}
|
|
|
|
return 1.0f;
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif // RAYLIB_NUKLEAR_IMPLEMENTATION_ONCE
|
|
#endif // RAYLIB_NUKLEAR_IMPLEMENTATION
|