1 files changed, 59 insertions, 4 deletions

diff --git a/src/map.c b/src/map.c
index ebcb077..9d91202 100644
--- a/src/map.c
+++ b/src/map.c
@@ -1,35 +1,90 @@
 #include "map.h"
 #include "game.h"
+#include "world.h"
 
 void repositionMap(Map* map)
 {
   map->rect.x = GetRenderWidth() - map->rect.width;
 }
 
+void zoomMap(Map* map, float zoom)
+{
+  map->zoom = zoom;
+  map->heightmapRect.width = WORLD_IMAGE_WIDTH / zoom;
+  map->heightmapRect.height = WORLD_IMAGE_HEIGHT / zoom;
+}
+
 void initMap(Map* map, const Settings* settings)
 {
   *map = (Map){
-    .rect = (Rectangle){0.0, 0.0, settings->mapPreviewSize,
-                        settings->mapPreviewSize},
+    .rect = (Rectangle){0.0, 0.0, settings->mapPreviewWidth,
+                        settings->mapPreviewHeight},
     .isEnabled = settings->isMapPreviewEnabledDefault,
-    .isFullSize = false
+    .isFullSize = false,
+    .zoom = settings->mapPreviewZoomDefault,
+    .playerPosition = Vector2Zero(),
+    .playerRotation = 0.0
   };
 
+  zoomMap(map, 10.0);
   repositionMap(map);
 }
 
+void updateMapPreview(Map* map, Game* game)
+{
+  const Settings* settings = &game->settings;
+  const World* world = &game->world;
+
+  // Player position.
+  map->playerPosition = (Vector2){
+    WORLD_IMAGE_WIDTH / world->size.x * game->player.position.x,
+    WORLD_IMAGE_HEIGHT / world->size.z * game->player.position.z
+  };
+
+  map->heightmapRect.x = map->playerPosition.x -
+    (map->heightmapRect.width / 2.0);
+  map->heightmapRect.y = map->playerPosition.y -
+    (map->heightmapRect.height / 2.0);
+
+  // Draw map.
+  DrawTexturePro(world->heightmapTexture,
+                 map->heightmapRect,
+                 map->rect,
+                 (Vector2){0.0, 0.0},
+                 0.0,
+                 settings->mapColor);
+
+  // Draw player.
+  DrawCircleV(Vector2Add((Vector2){map->rect.x, map->rect.y},
+                         (Vector2){map->rect.width / 2.0,
+                                   map->rect.height / 2.0}),
+              3.0,
+              BLUE);
+
+  // Outline.
+  DrawRectangleLinesEx(map->rect, 3.0, BLUE);
+}
+
 void updateMap(Map* map, Game* game)
 {
+  const Settings* settings = &game->settings;
+  
   // Handle window resize.
   if (IsWindowResized())
   {
     repositionMap(map);
   }
+
+  // Toggle preview.
+  if (IsKeyPressed(settings->toggleMapPreviewKey))
+  {
+    map->isEnabled = !map->isEnabled;
+  }
   
   if (!map->isEnabled)
   {
     return;
   }
 
-  DrawRectangleLinesEx(map->rect, 3.0, BLUE);
+  updateMapPreview(map, game);
 }