1 files changed, 294 insertions, 0 deletions
diff --git a/src/game/editor/ed_layer_tiles.cpp b/src/game/editor/ed_layer_tiles.cpp
new file mode 100644
index 00000000..f697e56e
--- /dev/null
+++ b/src/game/editor/ed_layer_tiles.cpp
@@ -0,0 +1,294 @@
+#include <game/client/gc_mapres_tilemap.h>
+#include <game/g_math.h>
+#include "editor.hpp"
+
+static void render_tilemap(TILE *tiles, int w, int h, float scale)
+{
+			//gfx_texture_set(img_get(tmap->image));
+	float screen_x0, screen_y0, screen_x1, screen_y1;
+	gfx_getscreen(&screen_x0, &screen_y0, &screen_x1, &screen_y1);
+
+	// calculate the final pixelsize for the tiles	
+	float tile_pixelsize = 1024/32.0f;
+	float final_tilesize = scale/(screen_x1-screen_x0) * gfx_screenwidth();
+	float final_tilesize_scale = final_tilesize/tile_pixelsize;
+	
+	gfx_quads_begin();
+	
+	int starty = (int)(screen_y0/scale)-1;
+	int startx = (int)(screen_x0/scale)-1;
+	int endy = (int)(screen_y1/scale)+1;
+	int endx = (int)(screen_x1/scale)+1;
+	
+	// adjust the texture shift according to mipmap level
+	float texsize = 1024.0f;
+	float frac = (1.25f/texsize) * (1/final_tilesize_scale);
+	float nudge = (0.5f/texsize) * (1/final_tilesize_scale);
+
+	for(int y = starty; y < endy; y++)
+		for(int x = startx; x < endx; x++)
+		{
+			int mx = x;
+			int my = y;
+			if(mx<0)
+				continue; // mx = 0;
+			if(mx>=w)
+				continue; // mx = w-1;
+			if(my<0)
+				continue; // my = 0;
+			if(my>=h)
+				continue; // my = h-1;
+			
+			int c = mx + my*w;
+				
+			unsigned char index = tiles[c].index;
+			if(index)
+			{
+				unsigned char flags = tiles[c].flags;
+				int tx = index%16;
+				int ty = index/16;
+				int px0 = tx*(1024/16);
+				int py0 = ty*(1024/16);
+				int px1 = (tx+1)*(1024/16)-1;
+				int py1 = (ty+1)*(1024/16)-1;
+				
+				float u0 = nudge + px0/texsize+frac;
+				float v0 = nudge + py0/texsize+frac;
+				float u1 = nudge + px1/texsize-frac;
+				float v1 = nudge + py1/texsize-frac;
+				
+				if(flags&TILEFLAG_VFLIP)
+				{
+					float tmp = u0;
+					u0 = u1;
+					u1 = tmp;
+				}
+
+				if(flags&TILEFLAG_HFLIP)
+				{
+					float tmp = v0;
+					v0 = v1;
+					v1 = tmp;
+				}
+				
+				gfx_quads_setsubset(u0,v0,u1,v1);
+
+				gfx_quads_drawTL(x*scale, y*scale, scale, scale);
+			}
+		}
+	
+	gfx_quads_end();
+}
+
+LAYER_TILES::LAYER_TILES(int w, int h)
+{
+	type = LAYERTYPE_TILES;
+	type_name = "Tiles";
+	width = w;
+	height = h;
+	image = -1;
+	tex_id = -1;
+	game = 0;
+	
+	tiles = new TILE[width*height];
+	mem_zero(tiles, width*height*sizeof(TILE));
+}
+
+LAYER_TILES::~LAYER_TILES()
+{
+	delete [] tiles;
+}
+
+void LAYER_TILES::make_palette()
+{
+	for(int y = 0; y < height; y++)
+		for(int x = 0; x < width; x++)
+			tiles[y*width+x].index = y*16+x;
+}
+
+void LAYER_TILES::render()
+{
+	if(image >= 0 && image < editor.map.images.len())
+		tex_id = editor.map.images[image]->tex_id;
+	gfx_texture_set(tex_id);
+	render_tilemap(tiles, width, height, 32.0f);
+}
+
+int LAYER_TILES::convert_x(float x) const { return (int)(x/32.0f); }
+int LAYER_TILES::convert_y(float y) const { return (int)(y/32.0f); }
+
+void LAYER_TILES::convert(RECT rect, RECTi *out)
+{
+	out->x = convert_x(rect.x);
+	out->y = convert_y(rect.y);
+	out->w = convert_x(rect.x+rect.w+31) - out->x;
+	out->h = convert_y(rect.y+rect.h+31) - out->y;
+}
+
+void LAYER_TILES::snap(RECT *rect)
+{
+	RECTi out;
+	convert(*rect, &out);
+	rect->x = out.x*32.0f;
+	rect->y = out.y*32.0f;
+	rect->w = out.w*32.0f;
+	rect->h = out.h*32.0f;
+}
+
+void LAYER_TILES::clamp(RECTi *rect)
+{
+	if(rect->x < 0)
+	{
+		rect->w += rect->x;
+		rect->x = 0;
+	}
+		
+	if(rect->y < 0)
+	{
+		rect->h += rect->y;
+		rect->y = 0;
+	}
+	
+	if(rect->x+rect->w > width)
+		rect->w = width-rect->x;
+
+	if(rect->y+rect->h > height)
+		rect->h = height-rect->y;
+		
+	if(rect->h < 0)
+		rect->h = 0;
+	if(rect->w < 0)
+		rect->w = 0;
+}
+
+void LAYER_TILES::brush_selecting(RECT rect)
+{
+	gfx_texture_set(-1);
+	gfx_quads_begin();
+	gfx_setcolor(1,1,1,0.4f);
+	snap(&rect);
+	gfx_quads_drawTL(rect.x, rect.y, rect.w, rect.h);
+	gfx_quads_end();
+	
+}
+
+int LAYER_TILES::brush_grab(LAYERGROUP *brush, RECT rect)
+{
+	RECTi r;
+	convert(rect, &r);
+	clamp(&r);
+	
+	if(!r.w || !r.h)
+		return 0;
+	
+	// create new layers
+	LAYER_TILES *grabbed = new LAYER_TILES(r.w, r.h);
+	grabbed->tex_id = tex_id;
+	grabbed->image = image;
+	brush->add_layer(grabbed);
+	
+	// copy the tiles
+	for(int y = 0; y < r.h; y++)
+		for(int x = 0; x < r.w; x++)
+			grabbed->tiles[y*grabbed->width+x] = tiles[(r.y+y)*width+(r.x+x)];
+	
+	return 1;
+}
+
+void LAYER_TILES::brush_draw(LAYER *brush, float wx, float wy)
+{
+	//
+	LAYER_TILES *l = (LAYER_TILES *)brush;
+	int sx = convert_x(wx);
+	int sy = convert_y(wy);
+	
+	for(int y = 0; y < l->height; y++)
+		for(int x = 0; x < l->width; x++)
+		{
+			int fx = x+sx;
+			int fy = y+sy;
+			if(fx<0 || fx >= width || fy < 0 || fy >= height)
+				continue;
+				
+			tiles[fy*width+fx] = l->tiles[y*l->width+x];
+		}
+}
+
+void LAYER_TILES::brush_flip_x()
+{
+	for(int y = 0; y < height; y++)
+		for(int x = 0; x < width/2; x++)
+		{
+			TILE tmp = tiles[y*width+x];
+			tiles[y*width+x] = tiles[y*width+x+width-1-x];
+			tiles[y*width+x+width-1-x] = tmp;
+		}
+
+	for(int y = 0; y < height; y++)
+		for(int x = 0; x < width; x++)
+			tiles[y*width+x].flags ^= TILEFLAG_VFLIP;
+}
+
+void LAYER_TILES::brush_flip_y()
+{
+	for(int y = 0; y < height/2; y++)
+		for(int x = 0; x < width; x++)
+		{
+			TILE tmp = tiles[y*width+x];
+			tiles[y*width+x] = tiles[(height-1-y)*width+x];
+			tiles[(height-1-y)*width+x] = tmp;
+		}
+
+	for(int y = 0; y < height; y++)
+		for(int x = 0; x < width; x++)
+			tiles[y*width+x].flags ^= TILEFLAG_HFLIP;
+}
+
+void LAYER_TILES::resize(int new_w, int new_h)
+{
+	TILE *new_data = new TILE[new_w*new_h];
+	mem_zero(new_data, new_w*new_h*sizeof(TILE));
+
+	// copy old data	
+	for(int y = 0; y < min(new_h, height); y++)
+		mem_copy(&new_data[y*new_w], &tiles[y*width], min(width, new_w)*sizeof(TILE));
+	
+	// replace old
+	delete [] tiles;
+	tiles = new_data;
+	width = new_w;
+	height = new_h;
+}
+
+
+void LAYER_TILES::render_properties(RECT *toolbox)
+{
+	if(editor.props != PROPS_LAYER)
+		return;
+	
+	enum
+	{
+		PROP_IMAGE=0,
+		PROP_WIDTH,
+		PROP_HEIGHT,
+		NUM_PROPS,
+	};
+	
+	PROPERTY props[] = {
+		{"Image", image, PROPTYPE_INT_STEP, 0, 0},
+		{"Width", width, PROPTYPE_INT_STEP, 1, 1000000000},
+		{"Height", height, PROPTYPE_INT_STEP, 1, 1000000000},
+		{0},
+	};
+	
+	static int ids[NUM_PROPS] = {0};
+	int new_val = 0;
+	int prop = editor.do_properties(toolbox, props, ids, &new_val);		
+	
+	if(prop == PROP_IMAGE)
+		image = new_val%editor.map.images.len();
+	else if(prop == PROP_WIDTH && new_val > 1)
+		resize(new_val, height);
+	else if(prop == PROP_HEIGHT && new_val > 1)
+		resize(width, new_val);
+}