From 5348dbdef1c55c076c8603bad98d20c73085d12b Mon Sep 17 00:00:00 2001
From: Arslaan Pathan <xminecrafterfun@gmail.com>
Date: Sun, 15 Jun 2025 11:10:31 +1200
Subject: Add proper ground/platforms using Rects - may be swapped for textures
 later

---
 src/main.cpp | 41 +++++++++++++++++++++++++++++------------
 1 file changed, 29 insertions(+), 12 deletions(-)

(limited to 'src')

diff --git a/src/main.cpp b/src/main.cpp
index c170abe..b2a48d9 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -54,7 +54,6 @@ SDL_Color veryDarkGrey = {30, 30, 47, 255};
 const char *globalFontFile = "assets/fonts/OpenSans-Regular.ttf";
 
 // Forward declarations
-int l_move_player(lua_State *L);
 int l_keycode_from_string(lua_State *L);
 int l_set_background_image(lua_State *L);
 int l_queue_texture_for_render(lua_State *L);
@@ -88,6 +87,11 @@ struct QueuedText
     SDL_Color color = {255, 255, 255, 255};
 };
 
+struct QueuedRect {
+    SDL_Rect rect;
+    SDL_Color color;
+};
+
 std::vector<QueuedTexture> textureList = {};
 std::map<std::string, SDL_Texture *> textureCache;
 
@@ -96,17 +100,9 @@ std::vector<QueuedButton> buttonList = {};
 std::vector<QueuedText> textList = {};
 std::map<std::pair<std::string, int>, TTF_Font *> textCache;
 
-SDL_Rect rect = {WIDTH / 2, HEIGHT / 2, 50, 50};
-SDL_Texture *background_texture = nullptr;
+std::vector<QueuedRect> rectList = {};
 
-int l_move_player(lua_State *L)
-{
-    int dx = luaL_checkinteger(L, 1);
-    int dy = luaL_checkinteger(L, 2);
-    rect.x += dx;
-    rect.y += dy;
-    return 0;
-}
+SDL_Texture *background_texture = nullptr;
 
 int l_keycode_from_string(lua_State *L)
 {
@@ -137,6 +133,21 @@ int l_queue_button_for_render(lua_State *L)
     return 0;
 }
 
+int l_queue_rect_for_render(lua_State* L) {
+    int x = luaL_checkinteger(L, 1);
+    int y = luaL_checkinteger(L, 2);
+    int w = luaL_checkinteger(L, 3);
+    int h = luaL_checkinteger(L, 4);
+    Uint8 r = luaL_checkinteger(L, 5);
+    Uint8 g = luaL_checkinteger(L, 6);
+    Uint8 b = luaL_checkinteger(L, 7);
+    Uint8 a = luaL_checkinteger(L, 8);
+    SDL_Rect rect = {x, y, w, h};
+    SDL_Color color = {r, g, b, a};
+    rectList.push_back({rect, color});
+    return 0;
+}
+
 int l_queue_text_for_render(lua_State *L)
 {
     std::string text = (std::string)luaL_checkstring(L, 1);
@@ -313,7 +324,6 @@ void call_lua_function(lua_State *L, const char *func_name)
 
 void expose_c_functions()
 {
-    lua_register(L, "movePlayer", l_move_player);
     lua_register(L, "getKeycodeByName", l_keycode_from_string);
     lua_register(L, "setBgImage", l_set_background_image);
     lua_register(L, "queueTextureForRender", l_queue_texture_for_render);
@@ -322,6 +332,7 @@ void expose_c_functions()
     lua_register(L, "queueTextForRender", l_queue_text_for_render);
     lua_register(L, "getTextWidth", l_get_text_width);
     lua_register(L, "quitGame", l_quit_game);
+    lua_register(L, "queueRectForRender", l_queue_rect_for_render);
 }
 
 int main()
@@ -479,6 +490,12 @@ int main()
         }
         buttonList.clear();
 
+        for (const auto& rect: rectList) {
+            SDL_SetRenderDrawColor(renderer, rect.color.r, rect.color.g, rect.color.b, rect.color.a);
+            SDL_RenderFillRect(renderer, &rect.rect);
+        }
+        rectList.clear();
+
         for (const auto &text : textList)
         {
             std::pair<std::string, int> key = {text.font_file, text.font_size};
-- 
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