From a100e53c440f86e8e49ce7018808722cfeccb13d Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Thu, 25 Mar 2021 18:11:42 -0400
Subject: map: Add accessor functions

---
diff --git a/src/map.c b/src/map.c
index 759edaf..824f369 100644
--- a/src/map.c
+++ b/src/map.c
@@ -737,62 +737,6 @@ _db_tmx_map_start(void *pv, const char *name, const char **attr)
 	}
 }
 
-static int
-_db_map_render_layer(struct db_map *map, struct db_map_layer *layer,
-		SDL_Renderer *renderer)
-{
-	int                i;
-	int                gid;
-	SDL_Rect           layer_rect;
-
-	for (i = 0; i < map->w * map->h; ++i) {
-		gid = layer->tiles[i];
-		if (gid == 0) {
-			continue;
-		}
-		layer_rect.x = map->tw * (i % map->w);
-		layer_rect.y = map->th * (i / map->w);
-		layer_rect.w = map->tw;
-		layer_rect.h = map->th;
-		db_tile_render(map->tileset_head, renderer, gid, &layer_rect);
-	}
-
-	return 0;
-}
-
-SDL_Texture *
-db_map_render(struct db_map *map, SDL_Renderer *renderer)
-{
-	SDL_Texture         *texture;
-	SDL_Texture         *old_target;
-	struct db_map_layer *layer;
-
-	texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888,
-			SDL_TEXTUREACCESS_TARGET, map->w * map->tw,
-			map->h * map->th);
-	old_target = SDL_GetRenderTarget(renderer);
-	SDL_SetRenderTarget(renderer, texture);
-	if (SDL_SetRenderDrawColor(renderer,
-				map->bg_r, map->bg_g, map->bg_b, 0xFF) != 0) {
-		db_err("Failed to set drawing color (%s)", SDL_GetError());
-		return NULL;
-	}
-	if (SDL_RenderClear(renderer) != 0) {
-		db_err("Failed to clear texture (%s)", SDL_GetError());
-		return NULL;
-	}
-
-	for (layer = map->layer_head; layer != NULL; layer = layer->next) {
-		if (_db_map_render_layer(map, layer, renderer) != 0) {
-			return NULL;
-		}
-	}
-
-	SDL_SetRenderTarget(renderer, old_target);
-
-	return texture;
-}
-
 struct db_map *
 db_map_new(const char *game_id, const char *level_id)
 {
@@ -884,3 +828,86 @@ db_map_new(const char *game_id, const char *level_id)
 
 	return map;
 }
+
+static int
+_db_map_render_layer(struct db_map *map, struct db_map_layer *layer,
+		SDL_Renderer *renderer)
+{
+	int                i;
+	int                gid;
+	SDL_Rect           layer_rect;
+
+	for (i = 0; i < map->w * map->h; ++i) {
+		gid = layer->tiles[i];
+		if (gid == 0) {
+			continue;
+		}
+		layer_rect.x = map->tw * (i % map->w);
+		layer_rect.y = map->th * (i / map->w);
+		layer_rect.w = map->tw;
+		layer_rect.h = map->th;
+		db_tile_render(map->tileset_head, renderer, gid, &layer_rect);
+	}
+
+	return 0;
+}
+
+SDL_Texture *
+db_map_render(struct db_map *map, SDL_Renderer *renderer)
+{
+	SDL_Texture         *texture;
+	SDL_Texture         *old_target;
+	struct db_map_layer *layer;
+
+	texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888,
+			SDL_TEXTUREACCESS_TARGET, map->w * map->tw,
+			map->h * map->th);
+	old_target = SDL_GetRenderTarget(renderer);
+	SDL_SetRenderTarget(renderer, texture);
+	if (SDL_SetRenderDrawColor(renderer,
+				map->bg_r, map->bg_g, map->bg_b, 0xFF) != 0) {
+		db_err("Failed to set drawing color (%s)", SDL_GetError());
+		return NULL;
+	}
+	if (SDL_RenderClear(renderer) != 0) {
+		db_err("Failed to clear texture (%s)", SDL_GetError());
+		return NULL;
+	}
+
+	for (layer = map->layer_head; layer != NULL; layer = layer->next) {
+		if (_db_map_render_layer(map, layer, renderer) != 0) {
+			return NULL;
+		}
+	}
+
+	SDL_SetRenderTarget(renderer, old_target);
+
+	return texture;
+}
+
+struct db_tileset *
+db_map_get_tilesets(struct db_map *map)
+{
+	return map->tileset_head;
+}
+
+void
+db_map_get_player(struct db_map *map, int *x, int *y, int *r)
+{
+	*x = map->player_x;
+	*y = map->player_y;
+	*r = map->player_r;
+}
+
+void
+db_map_get_target(struct db_map *map, int *x, int *y, int *r)
+{
+	*x = map->target_x;
+	*y = map->target_y;
+	*r = map->target_r;
+}
+
+struct db_ball *db_map_get_balls(struct db_map *map)
+{
+	return map->ball_head;
+}
diff --git a/src/map.h b/src/map.h
index 2e6bd94..63aea5d 100644
--- a/src/map.h
+++ b/src/map.h
@@ -21,10 +21,17 @@
 #define DB_MAP_H_
 
 #include <SDL.h>
+#include "tileset.h"
 
 struct db_map;
 
 struct db_map *db_map_new(const char *game_id, const char *level_id);
 SDL_Texture *db_map_render(struct db_map *map, SDL_Renderer *renderer);
+struct db_tileset *db_map_get_tilesets(struct db_map *map)
+	__attribute__((__pure__));
+void db_map_get_player(struct db_map *map, int *x, int *y, int *r);
+void db_map_get_target(struct db_map *map, int *x, int *y, int *r);
+struct db_ball *db_map_get_balls(struct db_map *map)
+	__attribute__((__pure__));
 
 #endif  /* DB_MAP_H_ */
--
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