Map rendering and camera movement.

1 files changed, 21 insertions, 1 deletions

diff --git a/player.c b/player.c
index 592ef4a..d79beed 100644
--- a/player.c
+++ b/player.c
@@ -55,7 +55,7 @@ void init_player(Player* player, World* world) {
 }
 
 void update_player(Player* player, World* world) {
-	int dx, dy;
+	int dx, dy, cbx, cby;
 	int face, moving = 0;
 	Entity e;
 	CPosition* pos;
@@ -132,6 +132,26 @@ void update_player(Player* player, World* world) {
 		game_change_state(&game, game_state_dead);
 	}
 
+	world->cam_x = pos->x - ((renderer_w / 2) << fbits);
+	world->cam_y = pos->y - ((renderer_h / 2) << fbits);
+
+	if (world->cam_x < 0) {
+		world->cam_x = 0;
+	}
+
+	if (world->cam_y < 0) {
+		world->cam_y = 0;
+	}
+
+	cbx = (mbmp_w - renderer_w) << fbits;
+	if (world->cam_x > cbx) {
+		world->cam_x = cbx;
+	}
+	cby = (mbmp_h - renderer_h) << fbits;
+	if (world->cam_y > cby) {
+		world->cam_y = cby;
+	}
+
 	player->shoot_countdown--;
 }