soft: fix cppcheck warnings, remove unused isflattop

README.md

@@ -29,22 +29,21 @@ State:
 
 Monsters:
   * incorrect dead animation for Arachnid,
-  * broken fire effect for Guardian,
+  * broken fire effect for Guardian.
-  * incorrect skin in soft render for Wizard mdl model.
 
 Models support:
 
-| Format | Original Game   | Frame vertex | Comments                                          |
+| Format | Original Game   | Frame vertex | Meshes | Comments                                |
-| ------ | --------------- | ------------ | ------------------------------------------------- |
+| ------ | --------------- | ------------ | ------ | --------------------------------------- |
-| mdl    | Quake 1         | 8 bit        | unsupported grouped textures                      |
+| mdl    | Quake 1         | 8 bit        | Single | Unsupported grouped textures            |
-| md2    | Quake 2         | 8 bit        | full support                                      |
+| md2    | Quake 2         | 8 bit        | Single |                                         |
-| md2    | Anachronox      | 8/10/16 bit  | does no suport tagged surfaces                    |
+| md2    | Anachronox      | 8/10/16 bit  | Single | No tagged surfaces, unchecked with game |
-| mdx    | Kingpin         | 8 bit        | unchecked with game                               |
+| mdx    | Kingpin         | 8 bit        | Many   | No sfx support, unchecked with game     |
-| fm     | Heretic 2       | 8 bit        | show all meshes                                   |
+| fm     | Heretic 2       | 8 bit        | Many   |                                         |
-| dkm    | Daikatana DKM1  | 8 bit        | unchecked with game                               |
+| dkm    | Daikatana DKM1  | 8 bit        | Many   | Unchecked with game                     |
-| dkm    | Daikatana DKM2  | 10 bit       | unchecked with game                               |
+| dkm    | Daikatana DKM2  | 10 bit       | Many   | Unchecked with game                     |
-| md3    | Quake 3         | 16 bit       | show all meshes, no tags support, unchecked       |
+| md3    | Quake 3         | 16 bit       | Many   | No tags support                         |
-| md5    | Doom 3/Quake 4  | float        | requires md2 for skins, show all meshes           |
+| md5    | Doom 3/Quake 4  | float        | Many   | Requires md2 for skins                  |
 
 All models support only single texture for all meshes and only up to 255 frames.
 

src/client/refresh/files/models.c

@@ -415,10 +415,10 @@ Mod_LoadDKMTriangleList(dmdx_t *pheader, const dkmtriangle_t *pintri)
 
 		for (i = 0; i < pheader->num_tris; i++)
 		{
-			int j;
-
 			if (pintri[i].mesh_id == m)
 			{
+				int j;
+
 				for (j = 0; j < 3; j++)
 				{
 					pouttri->index_xyz[j] = LittleShort(pintri[i].index_xyz[j]);

src/client/refresh/soft/sw_alias.c

@@ -476,7 +476,7 @@ R_AliasPreparePoints(const entity_t *currententity, finalvert_t *verts, const fi
 
 	for (i = 0; i < num_mesh_nodes; i++)
 	{
-		dtriangle_t	*ptri;
+		const dtriangle_t *ptri;
 		int num_tris;
 
 		num_tris = Q_min(s_pmdl->num_tris - mesh_nodes[i].ofs_tris, mesh_nodes[i].num_tris);

src/client/refresh/soft/sw_bsp.c

@@ -486,10 +486,13 @@ R_RecursiveWorldNode (entity_t *currententity, const model_t *currentmodel, mnod
 		int i;
 		for (i=0 ; i<4 ; i++)
 		{
-			int *pindex;
+			const int *pindex;
 			float d;
-			if (! (clipflags & (1<<i)) )
+
+			if (!(clipflags & (1<<i)))
+			{
 				continue;	// don't need to clip against it
+			}
 
 			// generate accept and reject points
 			// FIXME: do with fast look-ups or integer tests based on the sign bit

src/client/refresh/soft/sw_draw.c

@@ -72,10 +72,10 @@ smoothly scrolled off.
 void
 RE_Draw_CharScaled(int x, int y, int c, float scale)
 {
-	pixel_t	*dest;
+	int	drawline, row, col, v, iscale, sscale, width, height;
-	byte	*source, *pic_pixels;
+	const byte *source;
-	int	drawline;
+	byte *pic_pixels;
-	int	row, col, v, iscale, sscale, width, height;
+	pixel_t *dest;
 
 	iscale = (int) scale;
 
@@ -149,9 +149,9 @@ RE_Draw_GetPicSize
 =============
 */
 void
-RE_Draw_GetPicSize (int *w, int *h, const char *name)
+RE_Draw_GetPicSize(int *w, int *h, const char *name)
 {
-	image_t *image;
+	const image_t *image;
 
 	image = R_FindPic (name, (findimage_t)R_FindImage);
 	if (!image)
@@ -159,6 +159,7 @@ RE_Draw_GetPicSize (int *w, int *h, const char *name)
 		*w = *h = -1;
 		return;
 	}
+
 	*w = image->asset_width;
 	*h = image->asset_height;
 }
@@ -237,11 +238,14 @@ RE_Draw_StretchPicImplementation (int x, int y, int w, int h, const image_t *pic
 					dest[u] = source[f>>16];
 					f += fstep;
 				}
+
 				if (picupscale > 1)
 				{
-					int i;
+					const pixel_t *dest_orig;
-					int pu = Q_min(height-v, picupscale);
+					int pu, i;
-					pixel_t	*dest_orig = dest;
+
+					pu = Q_min(height-v, picupscale);
+					dest_orig = dest;
 
 					// copy first line to fill whole sector
 					for (i=1; i < pu; i++)
@@ -309,7 +313,7 @@ RE_Draw_StretchPic
 void
 RE_Draw_StretchPic (int x, int y, int w, int h, const char *name)
 {
-	image_t	*pic;
+	const image_t *pic;
 
 	pic = R_FindPic (name, (findimage_t)R_FindImage);
 	if (!pic)
@@ -317,6 +321,7 @@ RE_Draw_StretchPic (int x, int y, int w, int h, const char *name)
 		R_Printf(PRINT_ALL, "Can't find pic: %s\n", name);
 		return;
 	}
+
 	RE_Draw_StretchPicImplementation (x, y, w, h, pic);
 }
 
@@ -387,7 +392,7 @@ Draw_Pic
 void
 RE_Draw_PicScaled(int x, int y, const char *name, float scale)
 {
-	image_t		*pic;
+	const image_t *pic;
 
 	pic = R_FindPic (name, (findimage_t)R_FindImage);
 	if (!pic)
@@ -413,11 +418,10 @@ refresh window.
 void
 RE_Draw_TileClear (int x, int y, int w, int h, const char *name)
 {
-	int			i, j;
+	const byte *psrc;
-	byte		*psrc;
+	pixel_t *pdest;
-	pixel_t		*pdest;
+	int i, j, x2;
-	image_t		*pic;
+	image_t *pic;
-	int			x2;
 
 	if (x < 0)
 	{

src/client/refresh/soft/sw_edge.c

@@ -60,7 +60,7 @@ float	scale_for_mip;
 static void R_GenerateSpans (void);
 static void R_GenerateSpansBackward (void);
 
-static void R_TrailingEdge (surf_t *surf, edge_t *edge);
+static void R_TrailingEdge (surf_t *surf, const edge_t *edge);
 
 /*
 ===============================================================================
@@ -328,7 +328,7 @@ R_TrailingEdge
 ==============
 */
 static void
-R_TrailingEdge (surf_t *surf, edge_t *edge)
+R_TrailingEdge(surf_t *surf, const edge_t *edge)
 {
 	// don't generate a span if this is an inverted span, with the end
 	// edge preceding the start edge (that is, we haven't seen the
@@ -582,7 +582,7 @@ R_GenerateSpansBackward (void)
 	R_CleanupSpan ();
 }
 
-static void D_DrawSurfaces (entity_t *currententity, surf_t *surface);
+static void D_DrawSurfaces (entity_t *currententity, const surf_t *surface);
 
 /*
 ==============
@@ -1029,7 +1029,7 @@ May be called more than once a frame if the surf list overflows (higher res)
 ==============
 */
 static void
-D_DrawSurfaces (entity_t *currententity, surf_t *surface)
+D_DrawSurfaces(entity_t *currententity, const surf_t *surface)
 {
 	VectorSubtract (r_origin, vec3_origin, modelorg);
 	TransformVector (modelorg, transformed_modelorg);

src/client/refresh/soft/sw_image.c

@@ -88,7 +88,7 @@ R_ImageList_f (void)
 //=======================================================
 
 static image_t *
-R_FindFreeImage(char *name)
+R_FindFreeImage(const char *name)
 {
 	image_t		*image;
 	int			i;
@@ -256,7 +256,7 @@ R_LoadPic8
 ================
 */
 static image_t *
-R_LoadPic8 (char *name, byte *pic, int width, int realwidth, int height, int realheight,
+R_LoadPic8(const char *name, const byte *pic, int width, int realwidth, int height, int realheight,
 	size_t data_size, imagetype_t type)
 {
 	image_t	*image;
@@ -340,7 +340,7 @@ R_LoadPic(char *name, byte *pic, int width, int realwidth, int height, int realh
 		realheight = height;
 	}
 
-	if (data_size <= 0 || !width || !height)
+	if (!data_size || !width || !height)
 	{
 		return NULL;
 	}

src/client/refresh/soft/sw_poly.c

@@ -768,10 +768,10 @@ R_PolygonDrawSpans(espan_t *pspan, int iswater, float d_ziorigin, float d_zistep
 static void
 R_PolygonScanLeftEdge (espan_t *s_polygon_spans)
 {
-	int		i, lmaxindex;
+	const emitpoint_t *pvert, *pnext;
-	emitpoint_t	*pvert, *pnext;
+	float du, dv, vtop, u_step;
-	espan_t		*pspan;
+	int i, lmaxindex;
-	float		du, dv, vtop, u_step;
+	espan_t *pspan;
 
 	pspan = s_polygon_spans;
 	i = s_minindex;
@@ -837,10 +837,11 @@ R_PolygonScanLeftEdge (espan_t *s_polygon_spans)
 static void
 R_PolygonScanRightEdge(espan_t *s_polygon_spans)
 {
-	int		i;
+	float du, dv, vtop, u_step, uvert, unext, vvert;
-	emitpoint_t	*pvert, *pnext;
+	const emitpoint_t *pnext;
-	espan_t		*pspan;
+	emitpoint_t *pvert;
-	float		du, dv, vtop, u_step, uvert, unext, vvert;
+	espan_t *pspan;
+	int i;
 
 	pspan = s_polygon_spans;
 	i = s_minindex;
@@ -1037,11 +1038,11 @@ R_ClipAndDrawPoly ( float alpha, int isturbulent, qboolean textured )
 static void
 R_BuildPolygonFromSurface(const entity_t *currententity, const model_t *currentmodel, msurface_t *fa)
 {
-	int		i, lnumverts;
+	medge_t *pedges, *r_pedge;
-	medge_t		*pedges, *r_pedge;
+	float tmins[2] = { 0, 0 };
-	float		*vec;
+	int i, lnumverts;
-	vec5_t     *pverts;
+	const float *vec;
-	float       tmins[2] = { 0, 0 };
+	vec5_t *pverts;
 
 	r_polydesc.nump = 0;
 

src/client/refresh/soft/sw_polyset.c

@@ -26,7 +26,6 @@
 #include <limits.h>
 
 typedef struct {
-	int	isflattop;
 	int	numleftedges;
 	compactvert_t	*pleftedgevert0;
 	compactvert_t	*pleftedgevert1;
@@ -46,18 +45,18 @@ static int	d_xdenom;
 static edgetable *pedgetable;
 
 static edgetable edgetables[12] = {
-	{0, 1, &r_p0, &r_p2, NULL, 2, &r_p0, &r_p1, &r_p2},
+	{1, &r_p0, &r_p2, NULL, 2, &r_p0, &r_p1, &r_p2},
-	{0, 2, &r_p1, &r_p0, &r_p2, 1, &r_p1, &r_p2, NULL},
+	{2, &r_p1, &r_p0, &r_p2, 1, &r_p1, &r_p2, NULL},
-	{1, 1, &r_p0, &r_p2, NULL, 1, &r_p1, &r_p2, NULL},
+	{1, &r_p0, &r_p2, NULL, 1, &r_p1, &r_p2, NULL},
-	{0, 1, &r_p1, &r_p0, NULL, 2, &r_p1, &r_p2, &r_p0},
+	{1, &r_p1, &r_p0, NULL, 2, &r_p1, &r_p2, &r_p0},
-	{0, 2, &r_p0, &r_p2, &r_p1, 1, &r_p0, &r_p1, NULL},
+	{2, &r_p0, &r_p2, &r_p1, 1, &r_p0, &r_p1, NULL},
-	{0, 1, &r_p2, &r_p1, NULL, 1, &r_p2, &r_p0, NULL},
+	{1, &r_p2, &r_p1, NULL, 1, &r_p2, &r_p0, NULL},
-	{0, 1, &r_p2, &r_p1, NULL, 2, &r_p2, &r_p0, &r_p1},
+	{1, &r_p2, &r_p1, NULL, 2, &r_p2, &r_p0, &r_p1},
-	{0, 2, &r_p2, &r_p1, &r_p0, 1, &r_p2, &r_p0, NULL},
+	{2, &r_p2, &r_p1, &r_p0, 1, &r_p2, &r_p0, NULL},
-	{0, 1, &r_p1, &r_p0, NULL, 1, &r_p1, &r_p2, NULL},
+	{1, &r_p1, &r_p0, NULL, 1, &r_p1, &r_p2, NULL},
-	{1, 1, &r_p2, &r_p1, NULL, 1, &r_p0, &r_p1, NULL},
+	{1, &r_p2, &r_p1, NULL, 1, &r_p0, &r_p1, NULL},
-	{1, 1, &r_p1, &r_p0, NULL, 1, &r_p2, &r_p0, NULL},
+	{1, &r_p1, &r_p0, NULL, 1, &r_p2, &r_p0, NULL},
-	{0, 1, &r_p0, &r_p2, NULL, 1, &r_p0, &r_p1, NULL},
+	{1, &r_p0, &r_p2, NULL, 1, &r_p0, &r_p1, NULL},
 };
 
 // FIXME: some of these can become statics
@@ -778,12 +777,12 @@ R_RasterizeAliasPolySmooth
 static void
 R_RasterizeAliasPolySmooth(const entity_t *currententity)
 {
-	int	initialleftheight, initialrightheight;
+	const compactvert_t *pleftbottom, *prightbottom;
-	compactvert_t	*plefttop, *prighttop, *pleftbottom, *prightbottom;
+	int initialleftheight, initialrightheight;
-	light3_t	working_lstepx;
+	const compactvert_t *plefttop, *prighttop;
-	int originalcount;
+	light3_t working_lstepx;
-	int	u, v;
+	int originalcount, u, v;
-	pixel_t	*d_ptex;
+	pixel_t *d_ptex;
 
 	plefttop = pedgetable->pleftedgevert0;
 	prighttop = pedgetable->prightedgevert0;
@@ -995,7 +994,7 @@ R_PolysetSetEdgeTable
 ================
 */
 static void
-R_PolysetSetEdgeTable (void)
+R_PolysetSetEdgeTable(void)
 {
 	int			edgetableindex;
 

src/client/refresh/soft/sw_rast.c

@@ -205,14 +205,11 @@ R_EmitEdge
 static void
 R_EmitEdge (mvertex_t *pv0, mvertex_t *pv1, medge_t *r_pedge, qboolean r_nearzionly)
 {
-	edge_t	*edge, *pcheck;
+	float u, u_step, scale, lzi0, u0, v0;
-	int	u_check;
+	int u_check, v, v2, ceilv0, side;
-	float	u, u_step;
+	vec3_t local, transformed;
-	vec3_t	local, transformed;
+	edge_t *edge, *pcheck;
-	float	*world;
+	const float *world;
-	int		v, v2, ceilv0;
-	float	scale, lzi0, u0, v0;
-	int		side;
 
 	if (r_lastvertvalid)
 	{

src/client/refresh/soft/sw_scan.c

@@ -40,11 +40,10 @@ the sine warp, to keep the edges from wrapping
 void
 D_WarpScreen (void)
 {
-	int	w, h;
+	const int *turb;
-	int	u,v;
+	int w, h, u,v;
-	pixel_t	*dest;
+	pixel_t *dest;
-	int	*turb;
+	byte **row;
-	byte	**row;
 
 	static int	cached_width, cached_height;
 
@@ -79,7 +78,7 @@ D_WarpScreen (void)
 
 	for (v=0 ; v<h ; v++, dest += vid_buffer_width)
 	{
-		int *col;
+		const int *col;
 
 		col = warp_column + turb[v];
 		row = warp_rowptr + v;
@@ -184,13 +183,13 @@ TurbulentPow2
 =============
 */
 void
-TurbulentPow2 (espan_t *pspan, float d_ziorigin, float d_zistepu, float d_zistepv)
+TurbulentPow2(espan_t *pspan, float d_ziorigin, float d_zistepu, float d_zistepv)
 {
-	float	spancountminus1;
+	float sdivzpow2stepu, tdivzpow2stepu, zipow2stepu;
-	float	sdivzpow2stepu, tdivzpow2stepu, zipow2stepu;
+	int spanstep_shift, spanstep_value;
-	pixel_t	*r_turb_pbase;
+	const pixel_t *r_turb_pbase;
-	int	*r_turb_turb;
+	const int *r_turb_turb;
-	int	spanstep_shift, spanstep_value;
+	float spancountminus1;
 
 	spanstep_shift = D_DrawSpanGetStep(d_zistepu, d_zistepv);
 	spanstep_value = (1 << spanstep_shift);
@@ -340,11 +339,11 @@ NonTurbulentPow2 - this is for drawing scrolling textures. they're warping water
 void
 NonTurbulentPow2 (espan_t *pspan, float d_ziorigin, float d_zistepu, float d_zistepv)
 {
-	float spancountminus1;
 	float sdivzpow2stepu, tdivzpow2stepu, zipow2stepu;
-	pixel_t	*r_turb_pbase;
+	int spanstep_shift, spanstep_value;
-	int	*r_turb_turb;
+	const pixel_t *r_turb_pbase;
-	int	spanstep_shift, spanstep_value;
+	const int *r_turb_turb;
+	float spancountminus1;
 
 	spanstep_shift = D_DrawSpanGetStep(d_zistepu, d_zistepv);
 	spanstep_value = (1 << spanstep_shift);

src/client/refresh/soft/sw_surf.c

@@ -71,7 +71,8 @@ R_DrawSurfaceBlock_Light (pixel_t *prowdest, pixel_t *psource, size_t size,
 	// Full same light from both side
 	if (light_masked_right != LIGHTMASK && light_masked_left == light_masked_right)
 	{
-		pixel_t *dest, *dest_max, *src;
+		const pixel_t *dest_max;
+		pixel_t *dest, *src;
 
 		dest = prowdest;
 		dest_max = prowdest + size;