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added functions to get level position (tile) from screen position (pixel)
[rocksndiamonds.git]
/
src
/
game_em
/
graphics.c
diff --git
a/src/game_em/graphics.c
b/src/game_em/graphics.c
index 54711e9536026e5bff44b1e90372c6452a212506..3c68eb033c78c1e88e8179ce754fece1ee806722 100644
(file)
--- a/
src/game_em/graphics.c
+++ b/
src/game_em/graphics.c
@@
-37,6
+37,16
@@
int screen_x, screen_y; /* current scroll position */
static int screentiles[MAX_PLAYFIELD_HEIGHT + 2][MAX_PLAYFIELD_WIDTH + 2];
static int crumbled_state[MAX_PLAYFIELD_HEIGHT + 2][MAX_PLAYFIELD_WIDTH + 2];
static int screentiles[MAX_PLAYFIELD_HEIGHT + 2][MAX_PLAYFIELD_WIDTH + 2];
static int crumbled_state[MAX_PLAYFIELD_HEIGHT + 2][MAX_PLAYFIELD_WIDTH + 2];
+int getFieldbufferOffsetX_EM()
+{
+ return screen_x % TILEX;
+}
+
+int getFieldbufferOffsetY_EM()
+{
+ return screen_y % TILEY;
+}
+
void BlitScreenToBitmap_EM(Bitmap *target_bitmap)
{
/* blit all (up to four) parts of the scroll buffer to the target bitmap */
void BlitScreenToBitmap_EM(Bitmap *target_bitmap)
{
/* blit all (up to four) parts of the scroll buffer to the target bitmap */