4 files changed, 30 insertions, 25 deletions

diff --git a/src/map.c b/src/map.c
index 33e57bc..0ff87ea 100644
--- a/src/map.c
+++ b/src/map.c
@@ -8,7 +8,7 @@ void repositionMap(Map* map)
   map->rect.x = GetRenderWidth() - map->rect.width;
 }
 
-void initMapHeightmap(Map* map, const World* world)
+void initMapHeightmap(Map* map, const World* world, const Settings* settings)
 {
   Image image = LoadImageFromTexture(world->heightmapTexture);
   Color* colors = LoadImageColors(image);
@@ -16,21 +16,20 @@ void initMapHeightmap(Map* map, const World* world)
 
   for (int index = 0; index < WORLD_IMAGE_WIDTH * WORLD_IMAGE_HEIGHT; ++index)
   {
-    unsigned char grayValue = GRAY_VALUE(colors[index]);
-    unsigned char alpha = colors[index].a;
-
-    if (grayValue >= 170)
-    {
-      colors[index] = (Color){grayValue, 0, 0, alpha};
-    }
-    else if (grayValue >= 85)
-    {
-      colors[index] = (Color){0, grayValue * 2, grayValue, alpha};
-    }
-    else
-    {
-      colors[index] = (Color){grayValue, 0, grayValue, alpha};
-    }
+    float height = (float)GRAY_VALUE(colors[index]) / 255.0;
+
+    // Limit color acount.
+    height *= settings->mapColorCount;
+    height = floorf(height);
+    height /= settings->mapColorCount;
+
+    Color lowColor = settings->mapLowColor;
+    Color highColor = settings->mapHighColor;
+
+    // Lerp between low and high colors.
+    colors[index].r = Lerp(lowColor.r, highColor.r, height);
+    colors[index].g = Lerp(lowColor.g, highColor.g, height);
+    colors[index].b = Lerp(lowColor.b, highColor.b, height);
   }
 
   image = (Image){
@@ -40,8 +39,6 @@ void initMapHeightmap(Map* map, const World* world)
     .format = PIXELFORMAT_UNCOMPRESSED_R8G8B8A8,
     .mipmaps = 1
   };
-
-  ImageColorContrast(&image, 25.0);
   
   map->heightmap = LoadTextureFromImage(image);
   UnloadImage(image);
@@ -66,7 +63,7 @@ void initMap(Map* map, const World* world, const Settings* settings)
     .isFullSize = false
   };
 
-  initMapHeightmap(map, world);
+  initMapHeightmap(map, world, settings);
   repositionMap(map);
 }
 
@@ -109,8 +106,9 @@ void updateMapPreview(Map* map, Game* game)
 
   if (mouseScroll != 0.0)
   {
-    map->camera.zoom = expf(logf(map->camera.zoom) +
-                            ((float)GetMouseWheelMove() * 0.1f));
+    map->camera.zoom = expf(
+      logf(map->camera.zoom) +
+      ((float)GetMouseWheelMove() * settings->mapZoomSpeed));
     map->camera.zoom = Clamp(map->camera.zoom, MAP_ZOOM_MIN, MAP_ZOOM_MAX);
   }
 
diff --git a/src/map.h b/src/map.h
index 4a71504..bd581ba 100644
--- a/src/map.h
+++ b/src/map.h
@@ -4,18 +4,17 @@
 #ifndef MAP_H
 #define MAP_H
 
-#define MAP_ZOOM_MIN 2.0
+#define MAP_ZOOM_MIN 0.5
 #define MAP_ZOOM_MAX 30.0
 
 typedef struct {
   Rectangle rect;
   RenderTexture render;
   Camera2D camera;
+  Texture heightmap;
   Vector2 playerPosition;
   bool isEnabled;
   bool isFullSize;
-
-  Texture heightmap;
 } Map;
 
 void initMap(Map* map, const World* world, const Settings* settings);
diff --git a/src/settings.c b/src/settings.c
index 3dd1fa5..0d65432 100644
--- a/src/settings.c
+++ b/src/settings.c
@@ -22,7 +22,11 @@ Settings defaultSettings()
     .mapPreviewWidth = 300.0,
     .mapPreviewHeight = 300.0,
     .mapAlpha = (unsigned char)255.0 * 0.80,
-    .mapPreviewZoomDefault = 10.0,
+    .mapPreviewZoomDefault = 3.0,
+    .mapLowColor = (Color){255, 255, 0, 255},
+    .mapHighColor = (Color){0, 0, 255, 255},
+    .mapColorCount = 7.0,
+    .mapZoomSpeed = 0.2,
     .mouseSpeed = 0.1,
     .forwardKey = KEY_W,
     .backwardKey = KEY_S,
diff --git a/src/settings.h b/src/settings.h
index 94e21ad..d6416ba 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -39,6 +39,10 @@ typedef struct {
   float mapPreviewHeight;
   unsigned char mapAlpha;
   float mapPreviewZoomDefault;
+  Color mapLowColor;
+  Color mapHighColor;
+  float mapColorCount;
+  float mapZoomSpeed;
 
   // Controls.
   float mouseSpeed;