Fix full crack texture being shown when releasing dig button

diff --git a/src/tile.cpp b/src/tile.cpp
index 027e3add771d3ed05ea5977b2b0964136b9b7a4f..3c4989ea85a58bf43853de59056f0132644848ff 100644 (file)
--- a/src/tile.cpp
+++ b/src/tile.cpp
@@ -555,7 +555,7 @@ static void blit_with_alpha_overlay(video::IImage *src, video::IImage *dst,
 
 // Draw or overlay a crack
 static void draw_crack(video::IImage *crack, video::IImage *dst,
-               bool use_overlay, u32 frame_count, u32 progression,
+               bool use_overlay, s32 frame_count, s32 progression,
                video::IVideoDriver *driver);
 
 // Brighten image
@@ -1058,8 +1058,8 @@ bool TextureSource::generateImage(std::string part_of_name, video::IImage *& bas
                        bool use_overlay = (part_of_name[6] == 'o');
                        Strfnd sf(part_of_name);
                        sf.next(":");
-                       u32 frame_count = stoi(sf.next(":"));
-                       u32 progression = stoi(sf.next(":"));
+                       s32 frame_count = stoi(sf.next(":"));
+                       s32 progression = stoi(sf.next(":"));
 
                        /*
                                Load crack image.
@@ -1499,7 +1499,7 @@ static void blit_with_alpha_overlay(video::IImage *src, video::IImage *dst,
 }
 
 static void draw_crack(video::IImage *crack, video::IImage *dst,
-               bool use_overlay, u32 frame_count, u32 progression,
+               bool use_overlay, s32 frame_count, s32 progression,
                video::IVideoDriver *driver)
 {
        // Dimension of destination image
@@ -1507,11 +1507,11 @@ static void draw_crack(video::IImage *crack, video::IImage *dst,
        // Dimension of original image
        core::dimension2d<u32> dim_crack = crack->getDimension();
        // Count of crack stages
-       u32 crack_count = dim_crack.Height / dim_crack.Width;
+       s32 crack_count = dim_crack.Height / dim_crack.Width;
        // Limit frame_count
-       if(frame_count > dim_dst.Height)
+       if(frame_count > (s32) dim_dst.Height)
                frame_count = dim_dst.Height;
-       if(frame_count == 0)
+       if(frame_count < 1)
                frame_count = 1;
        // Limit progression
        if(progression > crack_count-1)
@@ -1543,7 +1543,7 @@ static void draw_crack(video::IImage *crack, video::IImage *dst,
                // Scale crack image by copying
                crack_cropped->copyToScaling(crack_scaled);
                // Copy or overlay crack image onto each frame
-               for(u32 i = 0; i < frame_count; ++i)
+               for(s32 i = 0; i < frame_count; ++i)
                {
                        v2s32 dst_pos(0, dim_crack_scaled.Height * i);
                        if(use_overlay)