gfx: experimental 3d rendering
parent
76e4e81281
commit
3b54750127
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@ -5,7 +5,7 @@ if (NOT raylib_FOUND)
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FetchContent_Declare(
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raylib
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URL https://github.com/raysan5/raylib/archive/master.tar.gz
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URL https://github.com/zpl-c/raylib/archive/master.tar.gz
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)
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FetchContent_GetProperties(raylib)
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@ -18,7 +18,7 @@ static uint16_t screenHeight = 900;
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static float target_zoom = 1.5f;
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static bool request_shutdown;
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#include "renderer_v0.c"
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#include "renderer_3d.c"
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void platform_init() {
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InitWindow(screenWidth, screenHeight, "eco2d");
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@ -0,0 +1,141 @@
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static Camera3D render_camera;
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static float zoom_overlay_tran = 0.0f;
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static float cam_zoom = 1.5f;
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#define CAM_OVERLAY_ZOOM_LEVEL 0.80f
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float zpl_lerp(float,float,float);
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float zpl_to_degrees(float);
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void display_conn_status() {
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if (game_is_networked()) {
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if (network_client_is_connected()) {
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DrawText("Connection: online", 5, 5, 12, GREEN);
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} else {
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DrawText("Connection: offline", 5, 5, 12, RED);
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}
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} else {
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DrawText("Connection: single-player", 5, 5, 12, BLUE);
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}
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}
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void DEBUG_draw_ground(uint64_t key, entity_view * data) {
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(void)key;
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switch (data->kind) {
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case EKIND_CHUNK: {
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world_view *view = game_world_view_get_active();
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int32_t size = view->chunk_size * WORLD_BLOCK_SIZE;
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int32_t half_size = size >> 1;
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int16_t offset = 0;
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float x = data->x * size + offset;
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float y = data->y * size + offset;
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RenderTexture2D tex = GetChunkTexture(key);
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DrawCubeTexture(tex.texture, (Vector3){x+half_size, 0.0f, y+half_size}, size, 1.0f, size, WHITE);
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}break;
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default:break;
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}
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}
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static inline float lerp(float a, float b, float t) { return a * (1.0f - t) + b * t; }
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void DEBUG_draw_entities(uint64_t key, entity_view * data) {
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(void)key;
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uint16_t size = 16;
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uint16_t ground_offset = 30;
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switch (data->kind) {
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case EKIND_DEMO_NPC: {
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float x = data->x;
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float y = data->y;
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DrawSphere((Vector3){x,ground_offset,y}, size, ColorAlpha(BLUE, data->tran_time));
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}break;
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case EKIND_PLAYER: {
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float x = data->x;
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float y = data->y;
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DrawSphere((Vector3){x,ground_offset,y}, size, ColorAlpha(YELLOW, data->tran_time));
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}break;
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case EKIND_MACRO_BOT: {
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float x = data->x;
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float y = data->y;
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DrawSphere((Vector3){x,ground_offset,y}, size, ColorAlpha(PURPLE, data->tran_time));
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}break;
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default:break;
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}
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}
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void DEBUG_draw_entities_low(uint64_t key, entity_view * data) {
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(void)key;
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switch (data->kind) {
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case EKIND_VEHICLE: {
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float x = data->x;
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float y = data->y;
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float const w = 280;
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float const h = 150;
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EcoDrawCube((Vector3){x,15.0f,y}, w/2.0f, 10.f, h/2.0f, -zpl_to_degrees(data->heading), ColorAlpha(RED, data->tran_time));
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}break;
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default:break;
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}
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}
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void renderer_draw(void) {
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cam_zoom = zpl_lerp(cam_zoom, target_zoom, 0.18);
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camera_update();
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camera game_camera = camera_get();
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#if 1
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render_camera.position = (Vector3){game_camera.x, 260.0f*(10.0f-cam_zoom), game_camera.y+50.0f*(10.0f-cam_zoom/2.0f)};
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render_camera.target = (Vector3){game_camera.x, 0.0f, game_camera.y};
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#else
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UpdateCamera(&render_camera);
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#endif
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ClearBackground(GetColor(0x222034));
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BeginMode3D(render_camera);
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game_world_view_active_entity_map(DEBUG_draw_ground);
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game_world_view_active_entity_map(DEBUG_draw_entities_low);
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game_world_view_active_entity_map(DEBUG_draw_entities);
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EndMode3D();
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}
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void renderer_init(void) {
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render_camera.up = (Vector3){0.0f,0.0f,-1.0f};
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render_camera.fovy = 45.f;
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render_camera.projection = CAMERA_PERSPECTIVE;
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#if 1
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SetCameraMode(render_camera, CAMERA_MODE_STATIONARY);
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#else
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render_camera.position = (Vector3){10,10,10};
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render_camera.target = (Vector3){0};
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SetCameraMode(render_camera, CAMERA_ORBITAL);
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#endif
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// NOTE(zaklaus): Paint the screen before we load the game
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// TODO(zaklaus): Render a cool loading screen background maybe? :wink: :wink:
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BeginDrawing();
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ClearBackground(GetColor(0x222034));
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char const *loading_text = "zpl.eco2d (in 3d) is loading...";
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int text_w = MeasureText(loading_text, 120);
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DrawText(loading_text, GetScreenWidth()-text_w-15, GetScreenHeight()-135, 120, RAYWHITE);
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EndDrawing();
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blocks_setup();
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assets_setup();
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}
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void renderer_shutdown(void) {
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blocks_destroy();
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assets_destroy();
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}
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@ -4,6 +4,8 @@
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#include "world/blocks.h"
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#include "assets.h"
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#include "rlgl.h"
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static inline
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void DrawTextEco(const char *text, float posX, float posY, int fontSize, Color color, float spacing) {
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#if 1
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@ -71,3 +73,80 @@ static inline
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Sound GetSound(uint16_t id) {
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return *(Sound*)assets_get_snd(id);
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}
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// Draw cube
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// NOTE: Cube position is the center position
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static inline
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void EcoDrawCube(Vector3 position, float width, float height, float length, float heading, Color color)
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{
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float x = 0.0f;
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float y = 0.0f;
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float z = 0.0f;
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rlCheckRenderBatchLimit(36);
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rlPushMatrix();
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// NOTE: Transformation is applied in inverse order (scale -> rotate -> translate)
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rlTranslatef(position.x, position.y, position.z);
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rlRotatef(heading, 0, 1, 0);
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//rlScalef(1.0f, 1.0f, 1.0f); // NOTE: Vertices are directly scaled on definition
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rlBegin(RL_TRIANGLES);
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rlColor4ub(color.r, color.g, color.b, color.a);
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// Front face
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rlVertex3f(x - width/2, y - height/2, z + length/2); // Bottom Left
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rlVertex3f(x + width/2, y - height/2, z + length/2); // Bottom Right
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rlVertex3f(x - width/2, y + height/2, z + length/2); // Top Left
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rlVertex3f(x + width/2, y + height/2, z + length/2); // Top Right
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rlVertex3f(x - width/2, y + height/2, z + length/2); // Top Left
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rlVertex3f(x + width/2, y - height/2, z + length/2); // Bottom Right
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// Back face
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rlVertex3f(x - width/2, y - height/2, z - length/2); // Bottom Left
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rlVertex3f(x - width/2, y + height/2, z - length/2); // Top Left
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rlVertex3f(x + width/2, y - height/2, z - length/2); // Bottom Right
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rlVertex3f(x + width/2, y + height/2, z - length/2); // Top Right
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rlVertex3f(x + width/2, y - height/2, z - length/2); // Bottom Right
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rlVertex3f(x - width/2, y + height/2, z - length/2); // Top Left
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// Top face
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rlVertex3f(x - width/2, y + height/2, z - length/2); // Top Left
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rlVertex3f(x - width/2, y + height/2, z + length/2); // Bottom Left
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rlVertex3f(x + width/2, y + height/2, z + length/2); // Bottom Right
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rlVertex3f(x + width/2, y + height/2, z - length/2); // Top Right
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rlVertex3f(x - width/2, y + height/2, z - length/2); // Top Left
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rlVertex3f(x + width/2, y + height/2, z + length/2); // Bottom Right
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// Bottom face
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rlVertex3f(x - width/2, y - height/2, z - length/2); // Top Left
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rlVertex3f(x + width/2, y - height/2, z + length/2); // Bottom Right
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rlVertex3f(x - width/2, y - height/2, z + length/2); // Bottom Left
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rlVertex3f(x + width/2, y - height/2, z - length/2); // Top Right
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rlVertex3f(x + width/2, y - height/2, z + length/2); // Bottom Right
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rlVertex3f(x - width/2, y - height/2, z - length/2); // Top Left
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// Right face
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rlVertex3f(x + width/2, y - height/2, z - length/2); // Bottom Right
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rlVertex3f(x + width/2, y + height/2, z - length/2); // Top Right
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rlVertex3f(x + width/2, y + height/2, z + length/2); // Top Left
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rlVertex3f(x + width/2, y - height/2, z + length/2); // Bottom Left
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rlVertex3f(x + width/2, y - height/2, z - length/2); // Bottom Right
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rlVertex3f(x + width/2, y + height/2, z + length/2); // Top Left
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// Left face
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rlVertex3f(x - width/2, y - height/2, z - length/2); // Bottom Right
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rlVertex3f(x - width/2, y + height/2, z + length/2); // Top Left
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rlVertex3f(x - width/2, y + height/2, z - length/2); // Top Right
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rlVertex3f(x - width/2, y - height/2, z + length/2); // Bottom Left
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rlVertex3f(x - width/2, y + height/2, z + length/2); // Top Left
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rlVertex3f(x - width/2, y - height/2, z - length/2); // Bottom Right
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rlEnd();
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rlPopMatrix();
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}
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