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authorsluicebox2019-11-16 03:09:23 -0800
committerEugene Sandulenko2019-11-19 00:20:40 +0100
commit4b4b33fad3df6c47ff3421e84e8ea64996c887d7 (patch)
tree997f0e76b72ef8f4049793f01e3c5e57cc3c5022 /backends/platform
parentba2923aa0c541dbdfd79b7026d611a7a45e1394d (diff)
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DC: Implement horizontal shake
Diffstat (limited to 'backends/platform')
-rw-r--r--backends/platform/dc/display.cpp9
1 files changed, 5 insertions, 4 deletions
diff --git a/backends/platform/dc/display.cpp b/backends/platform/dc/display.cpp
index 447f671059..ffe9e5472a 100644
--- a/backends/platform/dc/display.cpp
+++ b/backends/platform/dc/display.cpp
@@ -35,6 +35,7 @@
#define OVL_H 200
#define OVL_TXSTRIDE 512
+#define LEFT_OFFSET (_xscale*_current_shake_x_pos)
#define TOP_OFFSET (_top_offset+_yscale*_current_shake_y_pos)
static const struct {
@@ -407,7 +408,7 @@ void OSystem_Dreamcast::updateScreenPolygons(void)
myvertex.u = 0.0;
myvertex.v = 0.0;
- myvertex.x = 0.0;
+ myvertex.x = LEFT_OFFSET;
myvertex.y = TOP_OFFSET;
ta_commit_list(&myvertex);
@@ -462,7 +463,7 @@ void OSystem_Dreamcast::updateScreenPolygons(void)
myvertex.u = 0.0;
myvertex.v = 0.0;
- myvertex.x = _overlay_x*_xscale;
+ myvertex.x = _overlay_x*_xscale+LEFT_OFFSET;
myvertex.y = _overlay_y*_yscale+TOP_OFFSET;
ta_commit_list(&myvertex);
@@ -601,7 +602,7 @@ void OSystem_Dreamcast::drawMouse(int xdraw, int ydraw, int w, int h,
myvertex.u = 0.0;
myvertex.v = 0.0;
- myvertex.x = (xdraw-_ms_hotspot_x)*_xscale;
+ myvertex.x = (xdraw-_ms_hotspot_x)*_xscale + LEFT_OFFSET;
myvertex.y = (ydraw-_ms_hotspot_y)*_yscale + TOP_OFFSET;
ta_commit_list(&myvertex);
@@ -624,7 +625,7 @@ void OSystem_Dreamcast::drawMouse(int xdraw, int ydraw, int w, int h,
void OSystem_Dreamcast::mouseToSoftKbd(int x, int y, int &rx, int &ry) const
{
if (_softkbd_motion) {
- rx = (int)(x*_xscale - (330.0*sin(0.013*_softkbd_motion) - 320.0));
+ rx = (int)(x*_xscale - (330.0*sin(0.013*_softkbd_motion) + LEFT_OFFSET - 320.0));
ry = (int)(y*_yscale + TOP_OFFSET - 200.0);
} else {
rx = -1;