From e15cdab4ff079cc705a700f0bf900fc7ef26316d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20Madar=C3=A1sz?= <zaklaus@outlook.com>
Date: Wed, 26 Oct 2022 09:04:17 +0200
Subject: [PATCH] input system

---
 code/foundation/src/platform/input.c | 160 +++++++++++++++++++++++++++
 code/foundation/src/platform/input.h |  39 +++++++
 2 files changed, 199 insertions(+)
 create mode 100644 code/foundation/src/platform/input.c
 create mode 100644 code/foundation/src/platform/input.h

diff --git a/code/foundation/src/platform/input.c b/code/foundation/src/platform/input.c
new file mode 100644
index 0000000..2dd7e29
--- /dev/null
+++ b/code/foundation/src/platform/input.c
@@ -0,0 +1,160 @@
+#include "input.h"
+#include "raylib.h"
+
+const static input_map maps[] = {
+    {
+        "left",
+        IN_LEFT,
+        (input_bind[]){
+            {DEV_KEYBOARD, KEY_LEFT},
+            {DEV_KEYBOARD, KEY_A},
+            {0}
+        }
+    },
+    {
+        "right",
+        IN_RIGHT,
+        (input_bind[]){
+            {DEV_KEYBOARD, KEY_RIGHT},
+            {DEV_KEYBOARD, KEY_D},
+            {0}
+        }
+    },
+    {
+        "up",
+        IN_UP,
+        (input_bind[]){
+            {DEV_KEYBOARD, KEY_UP},
+            {DEV_KEYBOARD, KEY_W},
+            {0}
+        }
+    },
+    {
+        "down",
+        IN_DOWN,
+        (input_bind[]){
+            {DEV_KEYBOARD, KEY_DOWN},
+            {DEV_KEYBOARD, KEY_S},
+            {0}
+        }
+    },
+    {
+        "use",
+        IN_USE,
+        (input_bind[]){
+            {DEV_KEYBOARD, KEY_SPACE},
+            {0}
+        }
+    },
+    {
+        "sprint",
+        IN_SPRINT,
+        (input_bind[]){
+            {DEV_KEYBOARD, KEY_LEFT_SHIFT},
+            {DEV_KEYBOARD, KEY_RIGHT_SHIFT},
+            {0}
+        }
+    },
+    {
+        "drop",
+        IN_DROP,
+        (input_bind[]){
+            {DEV_KEYBOARD, KEY_G},
+            {0}
+        }
+    },
+    {
+        "ctrl",
+        IN_CTRL,
+        (input_bind[]){
+            {DEV_KEYBOARD, KEY_LEFT_CONTROL},
+            {DEV_KEYBOARD, KEY_RIGHT_CONTROL},
+            {0}
+        }
+    },
+    {
+        "toggle inventory",
+        IN_TOGGLE_INV,
+        (input_bind[]){
+            {DEV_KEYBOARD, KEY_TAB},
+            {0}
+        }
+    },
+    {
+        "toggle build",
+        IN_TOGGLE_DEMOLITION,
+        (input_bind[]){
+            {DEV_KEYBOARD, KEY_B},
+            {0}
+        }
+    },
+    {0}
+};
+
+input_map input__get_map(uint8_t action) {
+    for (const input_map *map = maps; map->action > 0; ++map) {
+        if (map->action == action) {
+            return *map;
+        }
+    }
+    
+    ZPL_PANIC("key not bound!");
+    return maps[0];
+}
+
+uint8_t input_is_down(uint8_t action) {
+    input_map map = input__get_map(action);
+    for (input_bind *bind = map.binds; bind->device > 0; ++bind) {
+        switch (bind->device) {
+            case DEV_KEYBOARD: {
+                if (IsKeyDown(bind->id)) return 1;
+            }break;
+            case DEV_MOUSE: {
+                if (IsMouseButtonDown(bind->id)) return 1;
+            }break;
+            case DEV_JOYSTICK: {
+                // TODO(zaklaus): 
+            }break;
+        }
+    }
+    
+    return 0;
+}
+
+uint8_t input_is_pressed(uint8_t action) {
+    input_map map = input__get_map(action);
+    for (input_bind *bind = map.binds; bind->device > 0; ++bind) {
+        switch (bind->device) {
+            case DEV_KEYBOARD: {
+                if (IsKeyPressed(bind->id)) return 1;
+            }break;
+            case DEV_MOUSE: {
+                if (IsMouseButtonPressed(bind->id)) return 1;
+            }break;
+            case DEV_JOYSTICK: {
+                // TODO(zaklaus): 
+            }break;
+        }
+    }
+    
+    return 0;
+}
+
+uint8_t input_is_released(uint8_t action) {
+    input_map map = input__get_map(action);
+    for (input_bind *bind = map.binds; bind->device > 0; ++bind) {
+        switch (bind->device) {
+            case DEV_KEYBOARD: {
+                if (IsKeyReleased(bind->id)) return 1;
+            }break;
+            case DEV_MOUSE: {
+                if (IsMouseButtonReleased(bind->id)) return 1;
+            }break;
+            case DEV_JOYSTICK: {
+                // TODO(zaklaus): 
+            }break;
+        }
+    }
+    
+    return 0;
+}
diff --git a/code/foundation/src/platform/input.h b/code/foundation/src/platform/input.h
new file mode 100644
index 0000000..336f5df
--- /dev/null
+++ b/code/foundation/src/platform/input.h
@@ -0,0 +1,39 @@
+#pragma once
+#include "system.h"
+
+enum {
+    IN_NONE,
+    IN_LEFT,
+    IN_RIGHT,
+    IN_UP,
+    IN_DOWN,
+    IN_USE,
+    IN_SPRINT,
+    IN_DROP,
+    IN_CTRL,
+    IN_TOGGLE_INV,
+    IN_TOGGLE_DEMOLITION,
+};
+
+enum {
+    DEV_NONE,
+    DEV_KEYBOARD,
+    DEV_MOUSE,
+    DEV_JOYSTICK
+};
+
+typedef struct {
+    uint8_t device;
+    uint32_t id;
+} input_bind;
+
+typedef struct {
+    const char* name;
+    uint8_t action;
+    input_bind *binds;
+} input_map;
+
+uint8_t input_is_down(uint8_t action);
+uint8_t input_is_pressed(uint8_t action);
+uint8_t input_is_released(uint8_t action);
+