1 // ----------------------------------------------------------------------------
3 // ----------------------------------------------------------------------------
8 static void DrawFrame(int Delta);
9 static void ReStretch();
11 void DrawField(int X, int Y);
12 void DrawFieldAnimated(int X, int Y);
13 void DrawFieldNoAnimated(int X, int Y);
15 void DrawFrameIfNeeded()
19 /* !!! CHECK THIS !!! */
33 ClearRectangle(backbuffer, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
35 ClearRectangle(bitmap_db_field_sp, 0, 0, FXSIZE, FYSIZE);
37 ClearRectangle(bitmap_db_field_sp, 0, 0,
38 MAX_BUF_XSIZE * TILEX, MAX_BUF_YSIZE * TILEY);
49 for (Y = DisplayMinY; Y <= DisplayMaxY; Y++)
50 for (X = DisplayMinX; X <= DisplayMaxX; X++)
51 DrawFieldNoAnimated(X, Y);
53 for (Y = DisplayMinY; Y <= DisplayMaxY; Y++)
54 for (X = DisplayMinX; X <= DisplayMaxX; X++)
55 DrawFieldAnimated(X, Y);
59 for (Y = DisplayMinY; Y <= DisplayMaxY; Y++)
60 for (X = DisplayMinX; X <= DisplayMaxX; X++)
72 static void DrawFrame(int Delta)
74 int i, LX, tY, RX, BY;
78 RX = FieldWidth - Delta;
79 BY = FieldHeight - Delta;
81 DrawImage(LX, tY, (Delta > 0 ? imgFrameCorner : aniSpace));
82 DrawImage(LX, BY, (Delta > 0 ? imgFrameCorner : aniSpace));
83 DrawImage(RX, tY, (Delta > 0 ? imgFrameCorner : aniSpace));
84 DrawImage(RX, BY, (Delta > 0 ? imgFrameCorner : aniSpace));
86 for (i = LX + 1; i <= RX - 1; i++)
88 DrawImage(i, tY, (Delta > 0 ? imgFrameHorizontal : aniSpace));
89 DrawImage(i, BY, (Delta > 0 ? imgFrameHorizontal : aniSpace));
92 for (i = tY + 1; i <= BY - 1; i++)
94 DrawImage(LX, i, (Delta > 0 ? imgFrameVertical : aniSpace));
95 DrawImage(RX, i, (Delta > 0 ? imgFrameVertical : aniSpace));
101 // ClearRectangle(bitmap_db_field_sp,
105 static void RestoreFrame()
107 int i, LX, tY, RX, BY;
112 BY = FieldHeight - 1;
114 for (i = LX; i <= RX; i++)
120 for (i = tY + 1; i <= BY - 1; i++)
127 void SetDisplayRegion()
133 DisplayMaxX = FieldWidth - 2;
134 DisplayMaxY = FieldHeight - 2;
143 DisplayMaxX = FieldWidth - 1;
144 DisplayMaxY = FieldHeight - 1;
155 subFetchAndInitLevelB();
159 subMainGameLoop_Init();
167 subFetchAndInitLevel();
170 static void ReStretch()
178 ScrollTo(ScrollX, ScrollY);
183 subCalculateScreenScrollPos();
185 ScrollTo(ScreenScrollXPos, ScreenScrollYPos);
188 void SetScrollEdges()
190 int border1_offset = (menBorder ? 1 : 2);
191 int border2_offset = (menBorder ? 0 : TILESIZE / 2);
193 /* scroll correction for border frame (1 tile) or border element (2 tiles) */
196 ScrollMaxX = (DisplayMaxX + border1_offset) * TILEX - SXSIZE;
197 ScrollMaxY = (DisplayMaxY + border1_offset) * TILEY - SYSIZE;
199 /* scroll correction for border element (half tile on left and right side) */
200 ScrollMinX += border2_offset;
201 ScrollMinY += border2_offset;
202 ScrollMaxX -= border2_offset;
203 ScrollMaxY -= border2_offset;
205 /* scroll correction for even number of visible tiles (half tile shifted) */
206 ScrollMinX -= game_sp.scroll_xoffset;
207 ScrollMaxX -= game_sp.scroll_xoffset;
208 ScrollMinY -= game_sp.scroll_yoffset;
209 ScrollMaxY -= game_sp.scroll_yoffset;
212 printf("::: (%ld, %ld), (%ld, %ld) -> (%d, %d), (%d, %d)\n",
213 DisplayMinX, DisplayMinY, DisplayMaxX, DisplayMaxY,
214 ScrollMinX, ScrollMinY, ScrollMaxX, ScrollMaxY);
218 void DrawField(int X, int Y)
220 int tsi = GetSI(X, Y);
221 int Tmp = LowByte(PlayField16[tsi]);
223 if (Tmp < fiFirst || Tmp > fiLast)
230 Tmp = DisPlayField[tsi];
232 subCopyImageToScreen(tsi, fiGraphic[Tmp]);
234 if (Tmp != fiSpace &&
237 GfxGraphic[X][Y] = fiGraphic[Tmp];
240 void DrawFieldAnimated(int X, int Y)
242 int tsi = GetSI(X, Y);
243 int Tmp = LowByte(PlayField16[tsi]);
248 subDrawAnimatedSnikSnaks(tsi);
252 subDrawAnimatedElectrons(tsi);
260 void DrawFieldNoAnimated(int X, int Y)
262 int tsi = GetSI(X, Y);
263 int Tmp = LowByte(PlayField16[tsi]);
268 subCopyImageToScreen(tsi, aniSpace);
272 subCopyImageToScreen(tsi, aniSpace);
279 if (Tmp < fiFirst || Tmp > fiLast)
286 Tmp = DisPlayField[tsi];
288 subCopyImageToScreen(tsi, fiGraphic[Tmp]);
290 if (Tmp != fiSpace &&
293 GfxGraphic[X][Y] = fiGraphic[Tmp];
299 void DrawImage(int X, int Y, int graphic)
301 DDSpriteBuffer_BltImg(StretchWidth * X, StretchWidth * Y, graphic, 0);