cpp/openttd-patchpack/source Changeset - r7216:15c27d8bad4a

Changeset - r7216:15c27d8bad4a

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rubidium - 17 years ago 2007-07-09 20:08:25
rubidium@openttd.org

(svn r10494) -Fix (r10490): possible null dereference in some exotic newgrfs.

3 files changed with 8 insertions and 4 deletions:

src/industry_cmd.cpp

src/newgrf_industrytiles.cpp

src/newgrf_industrytiles.h

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src/industry_cmd.cpp

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@@ @@ -1191,7 +1191,7 @@ static bool CheckIfIndustryTilesAreFree( @@
 			if (HASBIT(its->callback_flags, CBM_INDT_SHAPE_CHECK)) {
 				if (custom_shape_check != NULL) *custom_shape_check = true;
 				if (!PerformIndustryTileSlopeCheck(cur_tile, its, it->gfx)) return false;
+				if (!PerformIndustryTileSlopeCheck(cur_tile, its, type, it->gfx)) return false;
 			} else {
 				if (ind_behav & INDUSTRYBEH_BUILT_ONWATER) {
 					/* As soon as the tile is not water, bail out.

src/newgrf_industrytiles.cpp

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@@ @@ -229,9 +229,13 @@ bool DrawNewIndustryTile(TileInfo *ti, I @@
+	}
+}
 bool PerformIndustryTileSlopeCheck(TileIndex tile, const IndustryTileSpec *its, IndustryGfx gfx)
+bool PerformIndustryTileSlopeCheck(TileIndex tile, const IndustryTileSpec *its, IndustryType type, IndustryGfx gfx)
+{
 	uint16 callback_res = GetIndustryTileCallback(CBID_INDTILE_SHAPE_CHECK, 0, 0, gfx, NULL, tile);
 	Industry ind;
 	ind.xy = 0;
 	ind.type = type;
 	uint16 callback_res = GetIndustryTileCallback(CBID_INDTILE_SHAPE_CHECK, 0, 0, gfx, &ind, tile);
 	if (its->grf_prop.grffile->grf_version < 7) {
 		return callback_res != 0;
+	}

src/newgrf_industrytiles.h

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@@ @@ -7,6 +7,6 @@ @@
 bool DrawNewIndustryTile(TileInfo *ti, Industry *i, IndustryGfx gfx, const IndustryTileSpec *inds);
 uint16 GetIndustryTileCallback(uint16 callback, uint32 param1, uint32 param2, IndustryGfx gfx_id, Industry *industry, TileIndex tile);
 bool PerformIndustryTileSlopeCheck(TileIndex tile, const IndustryTileSpec *its, IndustryGfx gfx);
+bool PerformIndustryTileSlopeCheck(TileIndex tile, const IndustryTileSpec *its, IndustryType type, IndustryGfx gfx);
 #endif /* NEWGRF_INDUSTRYTILES_H */

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