From 601961a245a48112029341437912fe13b54dac0b Mon Sep 17 00:00:00 2001
From: nathan <nathansmith@disroot.org>
Date: Sun, 6 Jul 2025 05:13:16 -0600
Subject: rreeee

---
 src/assets.c |  4 +++-
 src/assets.h |  6 ++++--
 src/entity.c | 29 +++++++++++++++++++++++++++++
 src/entity.h | 25 +++++++++++++++++++++++++
 src/game.c   | 13 +++++++++++++
 src/game.h   |  8 ++++++--
 src/world.c  |  2 +-
 src/world.h  |  2 +-
 8 files changed, 82 insertions(+), 7 deletions(-)
 create mode 100644 src/entity.c
 create mode 100644 src/entity.h

(limited to 'src')

diff --git a/src/assets.c b/src/assets.c
index 79c7ef9..b42dfae 100644
--- a/src/assets.c
+++ b/src/assets.c
@@ -5,7 +5,9 @@ const char imageAssetPaths[IMAGE_ASSET_COUNT][FT_NAMEMAX] = {
 };
 
 const char textureAssetPaths[TEXTURE_ASSET_COUNT][FT_NAMEMAX] = {
-  "heightmap.png"
+  "heightmap.png",
+  "mint.png",
+  "nickel.png"
 };
 
 void initAssets(Assets* assets)
diff --git a/src/assets.h b/src/assets.h
index 43c4b43..f276088 100644
--- a/src/assets.h
+++ b/src/assets.h
@@ -4,7 +4,7 @@
 #define ASSETS_H
 
 #define IMAGE_ASSET_COUNT 1
-#define TEXTURE_ASSET_COUNT 1
+#define TEXTURE_ASSET_COUNT 3
 
 extern const char imageAssetPaths[IMAGE_ASSET_COUNT][FT_NAMEMAX];
 extern const char textureAssetPaths[TEXTURE_ASSET_COUNT][FT_NAMEMAX];
@@ -18,7 +18,9 @@ enum {
 
 // Texture asset ids.
 enum {
-  HEIGHT_MAP_TEXTURE
+  HEIGHT_MAP_TEXTURE,
+  MINT_TEXTURE,
+  NICK_TEXTURE
 };
 
 typedef struct {
diff --git a/src/entity.c b/src/entity.c
new file mode 100644
index 0000000..ac3606b
--- /dev/null
+++ b/src/entity.c
@@ -0,0 +1,29 @@
+#include "entity.h"
+#include "game.h"
+
+// TODO: Entity creation system
+Entity createEntity(EntityId id, Vector3 position)
+{
+  Entity entity;
+  entity.id = id;
+  entity.position = position;
+
+  return entity;
+}
+
+void updateEntity(Entity* entity, Game* game)
+{
+  switch (entity->id)
+  {
+  case OLD_MINT:
+    DrawBillboard(game->player.camera, game->assets.textures[MINT_TEXTURE],
+                  entity->position, 1.0, WHITE);
+    break;
+  case STICKY_NICKEL:
+    DrawBillboard(game->player.camera, game->assets.textures[NICK_TEXTURE],
+                  entity->position, 1.0, WHITE);
+    break;
+  default:
+    break;
+  }
+}
diff --git a/src/entity.h b/src/entity.h
new file mode 100644
index 0000000..0c431ea
--- /dev/null
+++ b/src/entity.h
@@ -0,0 +1,25 @@
+#include "utils.h"
+
+// Pretty much any object in the game.
+
+#ifndef ENTITY_H
+#define ENTITY_H
+
+typedef int8_t EntityId;
+
+enum {
+  ENTITY_NONE = -1,
+  OLD_MINT,
+  STICKY_NICKEL
+};
+
+typedef struct {
+  EntityId id;
+  Vector3 position;
+  BoundingBox box;
+} Entity;
+
+Entity createEntity(EntityId id, Vector3 position);
+void updateEntity(Entity* entity, Game* game);
+
+#endif
diff --git a/src/game.c b/src/game.c
index 7a5be42..4de6a32 100644
--- a/src/game.c
+++ b/src/game.c
@@ -23,6 +23,14 @@ void initGame(Game* game)
   // World.
   game->world = createWorld(&game->assets);
 
+  game->entities[0] = createEntity(OLD_MINT, (Vector3){100.0, 0.0, 100.0});
+  game->entities[1] = createEntity(STICKY_NICKEL,
+                                   (Vector3){100.0, 0.0, 105.0});
+  game->entities[0].position.y = getWorldHeightAtLocation(game->world,
+                                                          100, 100) + 1.0;
+  game->entities[1].position.y = getWorldHeightAtLocation(game->world,
+                                                          100, 105) + 1.0;
+
   DisableCursor();
 }
 
@@ -41,6 +49,11 @@ void updateGameScene(Game* game)
 
   updateWorld(&game->world, game);
 
+  for (int index = 0; index < 2; ++index)
+  {
+    updateEntity(&game->entities[index], game);
+  }
+
   EndMode3D();
 }
 
diff --git a/src/game.h b/src/game.h
index 8817633..ab162ad 100644
--- a/src/game.h
+++ b/src/game.h
@@ -3,6 +3,7 @@
 #include "assets.h"
 #include "player.h"
 #include "world.h"
+#include "entity.h"
 
 #ifndef GAME_H
 #define GAME_H
@@ -10,14 +11,17 @@
 typedef enum {
   MAIN_MENU_SCENE,
   GAME_SCENE
-} SceneID;
+} SceneId;
 
 struct Game {
-  SceneID sceneId;
+  SceneId sceneId;
   Settings settings;
   Assets assets;
   Player player;
   World world;
+
+  // For testing only.
+  Entity entities[2];
 };
 
 void initGame(Game* game);
diff --git a/src/world.c b/src/world.c
index 0a6b544..db6e55d 100644
--- a/src/world.c
+++ b/src/world.c
@@ -43,7 +43,7 @@ float getWorldPixelHeight(World world, int x, int y)
   return (float)height / count;
 }
 
-float getWorldHeightAtLocation(World world, int x, int y)
+float getWorldHeightAtLocation(World world, float x, float y)
 {
   float toMapX = (float)world.image->width / world.size.x;
   float toMapY = (float)world.image->height / world.size.z;
diff --git a/src/world.h b/src/world.h
index d843094..6a214b6 100644
--- a/src/world.h
+++ b/src/world.h
@@ -19,6 +19,6 @@ void freeWorld(World world);
 // Dam, I wanta live in a free world ):
 
 float getWorldPixelHeight(World world, int x, int y);
-float getWorldHeightAtLocation(World world, int x, int y);
+float getWorldHeightAtLocation(World world, float x, float y);
 
 #endif
-- 
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