Got rid of r_softcursor by having the backend always draw the cursor

instead. This fixes graphics glitches in at least ITE.

Got rid of r_fullscreen, which wasn't even used anymore anyway.

svn-id: r13748

4 files changed, 31 insertions, 90 deletions

diff --git a/saga/gfx.cpp b/saga/gfx.cpp
index 6ee2e95c34..48e1d19a6a 100644
--- a/saga/gfx.cpp
+++ b/saga/gfx.cpp
@@ -63,6 +63,11 @@ int GFX_Init(OSystem *system, int width, int height) {
 	// Set module data
 	GfxModule.r_back_buf = r_back_buf;
 	GfxModule.init = 1;
+	GfxModule.white_index = -1;
+	GfxModule.black_index = -1;
+
+	// For now, always show the mouse cursor.
+	SYSINPUT_ShowMouse();
 
 	return R_SUCCESS;
 }
@@ -376,73 +381,6 @@ int GFX_BufToBuffer(byte *dst_buf, int dst_w, int dst_h, const byte *src,
 	return R_SUCCESS;
 }
 
-int GFX_DrawCursor(R_SURFACE *ds, R_POINT *p1) {
-	static byte cursor_img[R_CURSOR_W * R_CURSOR_H] = {
-		0,   0,   0,   255, 0,   0,   0,
-		0,   0,   0,   255, 0,   0,   0,
-		0,   0,   0,   0,   0,   0,   0,
-		255, 255, 0,   0,   0,   255, 255,
-		0,   0,   0,   0,   0,   0,   0,
-		0,   0,   0,   255, 0,   0,   0,
-		0,   0,   0,   255, 0,   0,   0
-	};
-
-	R_CLIPINFO ci;
-
-	byte *src_p, *dst_p;
-
-	int x, y;
-	int src_skip, dst_skip;
-
-	R_POINT cur_pt;
-	R_RECT cur_rect;
-
-	// Clamp point to surface
-	cur_pt.x = MAX(p1->x, (int16)0);
-	cur_pt.y = MAX(p1->y, (int16)0);
-
-	cur_pt.x = MIN(p1->x, (int16)(ds->buf_w - 1));
-	cur_pt.y = MIN(p1->y, (int16)(ds->buf_h - 1));
-
-	cur_pt.x -= R_CURSOR_ORIGIN_X;
-	cur_pt.y -= R_CURSOR_ORIGIN_Y;
-
-	//Clip cursor to surface
-	cur_rect.left = 0;
-	cur_rect.top = 0;
-	cur_rect.right = R_CURSOR_W - 1;
-	cur_rect.bottom = R_CURSOR_H - 1;
-
-	ci.dst_rect = &ds->clip_rect;
-	ci.src_rect = &cur_rect;
-	ci.dst_pt = &cur_pt;
-
-	GFX_GetClipInfo(&ci);
-
-	src_p = cursor_img + ci.src_draw_x + (ci.src_draw_y * R_CURSOR_W);
-	dst_p = ds->buf + ci.dst_draw_x + (ci.dst_draw_y * ds->buf_pitch);
-
-	src_skip = R_CURSOR_W - ci.draw_w;
-	dst_skip = ds->buf_pitch - ci.draw_w;
-
-	for (y = 0; y < ci.draw_h; y++) {
-		for (x = 0; x < ci.draw_w; x++) {
-			if (*src_p != 0) {
-				*dst_p = *src_p;
-			}
-
-			dst_p++;
-			src_p++;
-		}
-
-		src_p += src_skip;
-		dst_p += dst_skip;
-	}
-
-	return R_SUCCESS;
-
-}
-
 // Fills a rectangle in the surface ds from point 'p1' to point 'p2' using
 // the specified color.
 int GFX_DrawRect(R_SURFACE *ds, R_RECT *dst_rect, int color) {
@@ -963,6 +901,32 @@ int GFX_SetPalette(R_SURFACE *surface, PALENTRY *pal) {
 		}
 	}
 
+	// When the palette changes, make sure the cursor colours are still
+	// correct. We may have to reconsider this code later, but for now
+	// there is only one cursor image.
+
+	if (GfxModule.white_index != best_windex) {
+		// Set up the mouse cursor
+		static byte cursor_img[R_CURSOR_W * R_CURSOR_H] = {
+			0,   0,   0,   255, 0,   0,   0,
+			0,   0,   0,   255, 0,   0,   0,
+			0,   0,   0,   0,   0,   0,   0,
+			255, 255, 0,   0,   0,   255, 255,
+			0,   0,   0,   0,   0,   0,   0,
+			0,   0,   0,   255, 0,   0,   0,
+			0,   0,   0,   255, 0,   0,   0
+		};
+
+		for (i = 0; i < R_CURSOR_W * R_CURSOR_H; i++) {
+			if (cursor_img[i] == 0)
+				cursor_img[i] = 255;
+			else if (cursor_img[i] == 255)
+				cursor_img[i] = best_windex;
+		}
+
+		_system->setMouseCursor(cursor_img, R_CURSOR_W, R_CURSOR_H, 4, 4);
+	}
+
 	// Set whitest and blackest color indices
 	GfxModule.white_index = best_windex;
 	GfxModule.black_index = best_bindex;
diff --git a/saga/gfx_mod.h b/saga/gfx_mod.h
index 0a15f7d9a0..7a4bf2af73 100644
--- a/saga/gfx_mod.h
+++ b/saga/gfx_mod.h
@@ -49,7 +49,6 @@ int GFX_DrawPalette(R_SURFACE *dst_s);
 int GFX_BufToSurface(R_SURFACE *ds, const byte *src, int src_w, int src_h, R_RECT *src_rect, R_POINT *dst_pt);
 int GFX_BufToBuffer(byte * dst_buf, int dst_w, int dst_h, const byte *src,
 					int src_w, int src_h, R_RECT *src_rect, R_POINT *dst_pt);
-int GFX_DrawCursor(R_SURFACE *ds, R_POINT *p1);
 int GFX_DrawRect(R_SURFACE *ds, R_RECT *dst_rect, int color);
 int GFX_DrawFrame(R_SURFACE *ds, R_POINT *p1, R_POINT *p2, int color);
 int GFX_DrawPolyLine(R_SURFACE *ds, R_POINT *pts, int pt_ct, int draw_color);
diff --git a/saga/render.cpp b/saga/render.cpp
index 6cbe8bf340..fa6cff7b4d 100644
--- a/saga/render.cpp
+++ b/saga/render.cpp
@@ -53,14 +53,6 @@ static OSystem *_system;
 const char *test_txt = "The quick brown fox jumped over the lazy dog. She sells sea shells down by the sea shore.";
 
 int RENDER_Register() {
-	// Register "r_softcursor" cfg cvar
-	RenderModule.r_softcursor = R_SOFTCURSOR_DEFAULT;
-
-	if (CVAR_Register_I(&RenderModule.r_softcursor,
-		"r_softcursor", NULL, R_CVAR_CFG, 0, 1) != R_SUCCESS) {
-		return R_FAILURE;
-	}
-
 	return R_SUCCESS;
 }
 
@@ -105,11 +97,6 @@ int RENDER_Init(OSystem *system) {
 
 	RenderModule.r_backbuf_surface = GFX_GetBackBuffer();
 
-	// Initialize cursor state
-	if (RenderModule.r_softcursor) {
-		SYSINPUT_HideMouse();
-	}
-
 	_system = system;
 	RenderModule.initialized = 1;
 
@@ -186,10 +173,6 @@ int RENDER_DrawScene() {
 
 	INTERFACE_Update(&mouse_pt, UPDATE_MOUSEMOVE);
 
-	if (RenderModule.r_softcursor) {
-		GFX_DrawCursor(backbuf_surface, &mouse_pt);
-	}
-
 	// Display text formatting test, if applicable
 	if (RenderModule.r_flags & RF_TEXT_TEST) {
 		TEXT_Draw(MEDIUM_FONT_ID, backbuf_surface, test_txt, mouse_pt.x, mouse_pt.y,
diff --git a/saga/render.h b/saga/render.h
index a39972518d..33f586f1a3 100644
--- a/saga/render.h
+++ b/saga/render.h
@@ -32,17 +32,12 @@ namespace Saga {
 #define R_FULLSCREEN_DEFAULT 0
 #define R_DOUBLERES_DEFAULT  1
 #define R_HICOLOR_DEFAULT    1
-#define R_SOFTCURSOR_DEFAULT 1
 
 #define R_PAUSEGAME_MSG "PAWS GAME"
 
 struct R_RENDER_MODULE {
 	int initialized;
 
-	// Init cvars
-	int r_fullscreen;
-	int r_softcursor;
-
 	// Module data
 	R_SURFACE *r_backbuf_surface;