Working map preview

5 files changed, 77 insertions, 7 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);
 }
diff --git a/src/map.h b/src/map.h
index ce4e71e..9e94190 100644
--- a/src/map.h
+++ b/src/map.h
@@ -6,6 +6,10 @@
 
 typedef struct {
   Rectangle rect;
+  Rectangle heightmapRect;
+  float zoom;
+  Vector2 playerPosition;
+  float playerRotation;
   bool isEnabled;
   bool isFullSize;
 } Map;
diff --git a/src/player.c b/src/player.c
index 9a08204..2d9ec62 100644
--- a/src/player.c
+++ b/src/player.c
@@ -130,7 +130,10 @@ void updatePlayer(Player* player, Game* game)
     .direction = player->direction
   };
 
-  DrawRay(ray, YELLOW);
+  if (game->isCrossHairEnabled)
+  {
+    DrawRay(ray, YELLOW);
+  }
 
   WorldUID uid = castRayAtWorld(&game->world, ray, false, NULL);
 
diff --git a/src/settings.c b/src/settings.c
index 26caa73..8396fba 100644
--- a/src/settings.c
+++ b/src/settings.c
@@ -19,7 +19,10 @@ Settings defaultSettings()
     .crossHairThickness = 3.0,
     .crossHairColor = BLUE,
     .isMapPreviewEnabledDefault = true,
-    .mapPreviewSize = 300.0,
+    .mapPreviewWidth = 300.0,
+    .mapPreviewHeight = 300.0,
+    .mapColor = (Color){255, 0.0, 0.0, (unsigned char)255.0 * 0.80},
+    .mapPreviewZoomDefault = 1.0,
     .mouseSpeed = 0.1,
     .forwardKey = KEY_W,
     .backwardKey = KEY_S,
@@ -27,6 +30,7 @@ Settings defaultSettings()
     .leftKey = KEY_A,
     .toggleCursorKey = KEY_LEFT_ALT,
     .toggleCrossHairKey = KEY_C,
+    .toggleMapPreviewKey = KEY_P,
     .interactKey = KEY_E
   };
 }
diff --git a/src/settings.h b/src/settings.h
index 118bf84..a76b0ab 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -35,7 +35,10 @@ typedef struct {
 
   // Map.
   bool isMapPreviewEnabledDefault;
-  float mapPreviewSize;
+  float mapPreviewWidth;
+  float mapPreviewHeight;
+  Color mapColor;
+  float mapPreviewZoomDefault;
 
   // Controls.
   float mouseSpeed;
@@ -45,6 +48,7 @@ typedef struct {
   KeyboardKey leftKey;
   KeyboardKey toggleCursorKey;
   KeyboardKey toggleCrossHairKey;
+  KeyboardKey toggleMapPreviewKey;
   KeyboardKey interactKey;
 } Settings;