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1 | ; |
1 | ; |
2 | ; 3D POLYGONAL CUBE - ASCL |
2 | ; 3D POLYGONAL CUBE - ASCL |
3 | ; |
3 | ; |
4 | ; Pavlushin Evgeni |
4 | ; Pavlushin Evgeni |
5 | ; mail: waptap@mail.ru site: www.deck4.narod.ru |
5 | ; mail: waptap@mail.ru site: www.deck4.narod.ru |
6 | ; |
6 | ; |
7 | ; Create on base 3D test sample |
7 | ; Create on base 3D test sample |
8 | ; Mikolaj Felix mfelix@polbox.com |
8 | ; Mikolaj Felix mfelix@polbox.com |
9 | ; |
9 | ; |
10 | 10 | ||
11 | use32 |
11 | use32 |
12 | org 0x0 |
12 | org 0x0 |
13 | db 'MENUET01' ; 8 byte id |
13 | db 'MENUET01' ; 8 byte id |
14 | dd 0x01 ; header version |
14 | dd 0x01 ; header version |
15 | dd START ; start of code |
15 | dd START ; start of code |
16 | dd I_END ; size of image |
16 | dd I_END ; size of image |
17 | dd 0x30000 ; memory for app |
17 | dd 0x30000 ; memory for app |
18 | dd 0x30000 ; esp |
18 | dd 0x30000 ; esp |
19 | dd 0x0 , 0x0 ; I_Param , I_Icon |
19 | dd 0x0 , 0x0 ; I_Param , I_Icon |
20 | 20 | ||
21 | MAX_POINTS equ 8 |
21 | MAX_POINTS equ 8 |
22 | MAX_TRIANGLES equ 12 |
22 | MAX_TRIANGLES equ 12 |
23 | SCREEN_X equ 320 |
23 | SCREEN_X equ 320 |
24 | SCREEN_Y equ 200 |
24 | SCREEN_Y equ 200 |
25 | 25 | ||
26 | include 'lang.inc' |
26 | include 'lang.inc' |
- | 27 | include '..\..\..\macros.inc' |
|
27 | include 'ascl.inc' |
28 | include 'ascl.inc' |
28 | include 'ascgl.inc' |
29 | include 'ascgl.inc' |
29 | include 'macros.inc' |
- | |
- | 30 | ||
30 | START: |
31 | START: |
31 | call draw_window |
32 | call draw_window |
32 | call init_sin_cos |
33 | call init_sin_cos |
33 | 34 | ||
34 | still: |
35 | still: |
35 | ; mov eax,23 ; wait for system event with 10 ms timeout |
- | |
36 | ; mov ebx,1 ; wait 10 ms, then continue |
- | |
37 | ; int 0x40 |
- | |
38 | - | ||
39 | mov eax,11 |
36 | mov eax,11 |
40 | int 0x40 |
37 | mcall |
41 | 38 | ||
42 | dec eax |
39 | dec eax |
43 | ; cmp eax,1 ; window redraw request ? |
40 | ; cmp eax,1 ; window redraw request ? |
44 | jz red |
41 | jz red |
45 | dec eax |
42 | dec eax |
46 | ; cmp eax,2 ; key in buffer ? |
43 | ; cmp eax,2 ; key in buffer ? |
47 | jz key |
44 | jz key |
48 | dec eax |
45 | dec eax |
49 | ; cmp eax,3 ; button in buffer ? |
46 | ; cmp eax,3 ; button in buffer ? |
50 | jz button |
47 | jz button |
51 | 48 | ||
52 | fps 230,8,cl_White,cl_Black |
49 | fps 230,8,cl_White,cl_Black |
53 | 50 | ||
54 | main_loop: |
51 | main_loop: |
55 | 52 | ||
56 | mov esi,object |
53 | mov esi,object |
57 | mov edi,object_rotated |
54 | mov edi,object_rotated |
58 | mov ecx,MAX_POINTS*3 |
55 | mov ecx,MAX_POINTS*3 |
59 | cld |
56 | cld |
60 | rep movsw |
57 | rep movsw |
61 | 58 | ||
62 | mov esi,angle_x |
59 | mov esi,angle_x |
63 | mov edi,object_rotated |
60 | mov edi,object_rotated |
64 | mov ecx,MAX_POINTS |
61 | mov ecx,MAX_POINTS |
65 | call rotate_points |
62 | call rotate_points |
66 | 63 | ||
67 | mov esi,object_rotated |
64 | mov esi,object_rotated |
68 | mov edi,object_translated |
65 | mov edi,object_translated |
69 | mov ecx,MAX_POINTS |
66 | mov ecx,MAX_POINTS |
70 | call translate_points |
67 | call translate_points |
71 | 68 | ||
72 | call draw_faces |
69 | call draw_faces |
73 | 70 | ||
74 | call clear_screen_buffer |
71 | call clear_screen_buffer |
75 | 72 | ||
76 | add [angle_x],2 |
73 | add [angle_x],2 |
77 | add [angle_y],3 |
74 | add [angle_y],3 |
78 | add [angle_z],1 |
75 | add [angle_z],1 |
79 | 76 | ||
80 | jmp still |
77 | jmp still |
81 | 78 | ||
82 | red: |
79 | red: |
83 | call draw_window |
80 | call draw_window |
84 | jmp still |
81 | jmp still |
85 | key: |
82 | key: |
86 | mov eax,2 |
83 | mov eax,2 |
87 | int 0x40 |
84 | mcall |
88 | jmp still |
85 | jmp still |
89 | button: |
86 | button: |
90 | mov eax,17 |
87 | mov eax,17 |
91 | int 0x40 |
88 | mcall |
92 | cmp ah,1 |
89 | cmp ah,1 |
93 | jne still |
90 | jne still |
94 | exit: |
91 | exit: |
95 | mov eax,-1 |
92 | mov eax,-1 |
96 | int 0x40 |
93 | mcall |
97 | 94 | ||
98 | ;Draw window |
95 | ;Draw window |
99 | draw_window: |
96 | draw_window: |
100 | mov eax,12 ;Start |
97 | mov eax,12 ;Start |
101 | mov ebx,1 |
98 | mov ebx,1 |
102 | int 0x40 |
99 | mcall |
103 | 100 | ||
104 | mov eax,0 ;Draw window |
101 | mov eax,0 ;Draw window |
105 | mov ebx,100*65536+(SCREEN_X+9) ;x start*65536+x size |
102 | mov ebx,100*65536+(SCREEN_X+9) ;x start*65536+x size |
106 | mov ecx,100*65536+(SCREEN_Y+26) ;y start*65536+y size |
103 | mov ecx,100*65536+(SCREEN_Y+26) ;y start*65536+y size |
107 | mov edx,0x13000000 ;0x03 use skinned window |
104 | mov edx,0x13000000 ;0x03 use skinned window |
108 | mov edi,header |
105 | mov edi,title |
109 | int 0x40 |
106 | mcall |
110 | 107 | ||
111 | mov eax,12 ;End |
108 | mov eax,12 ;End |
112 | mov ebx,2 |
109 | mov ebx,2 |
113 | int 0x40 |
110 | mcall |
114 | ret |
111 | ret |
115 | 112 | ||
116 | header db '3D TEST SAMPLE FOR MENUETOS',0 |
113 | title db '3D TEST SAMPLE FOR MENUETOS',0 |
117 | 114 | ||
118 | 115 | ||
119 | ; Draw faces procedure |
116 | ; Draw faces procedure |
120 | 117 | ||
121 | draw_faces: |
118 | draw_faces: |
122 | 119 | ||
123 | mov esi,link |
120 | mov esi,link |
124 | mov ecx,MAX_TRIANGLES |
121 | mov ecx,MAX_TRIANGLES |
125 | df_draw: |
122 | df_draw: |
126 | push ecx |
123 | push ecx |
127 | mov ecx,3 |
124 | mov ecx,3 |
128 | mov edi,@@tx1 ;bp |
125 | mov edi,@@tx1 ;bp |
129 | df_get_point: |
126 | df_get_point: |
130 | xor bh,bh |
127 | xor bh,bh |
131 | mov bl,byte [esi] |
128 | mov bl,byte [esi] |
132 | shl bx,2 |
129 | shl bx,2 |
133 | mov ax,word [object_translated+bx] |
130 | mov ax,word [object_translated+bx] |
134 | mov word [edi],ax |
131 | mov word [edi],ax |
135 | mov ax,word [object_translated+bx+2] |
132 | mov ax,word [object_translated+bx+2] |
136 | mov word [edi+2],ax |
133 | mov word [edi+2],ax |
137 | inc esi |
134 | inc esi |
138 | add edi,4 |
135 | add edi,4 |
139 | dec ecx |
136 | dec ecx |
140 | jnz df_get_point |
137 | jnz df_get_point |
141 | 138 | ||
142 | mov ax,[@@ty1] |
139 | mov ax,[@@ty1] |
143 | sub ax,[@@ty3] |
140 | sub ax,[@@ty3] |
144 | mov bx,[@@tx2] |
141 | mov bx,[@@tx2] |
145 | sub bx,[@@tx1] |
142 | sub bx,[@@tx1] |
146 | imul bx |
143 | imul bx |
147 | shl edx,16 |
144 | shl edx,16 |
148 | mov dx,ax |
145 | mov dx,ax |
149 | push edx |
146 | push edx |
150 | mov ax,[@@tx1] |
147 | mov ax,[@@tx1] |
151 | sub ax,[@@tx3] |
148 | sub ax,[@@tx3] |
152 | mov bx,[@@ty2] |
149 | mov bx,[@@ty2] |
153 | sub bx,[@@ty1] |
150 | sub bx,[@@ty1] |
154 | imul bx |
151 | imul bx |
155 | shl edx,16 |
152 | shl edx,16 |
156 | mov dx,ax |
153 | mov dx,ax |
157 | pop ebx |
154 | pop ebx |
158 | sub ebx,edx |
155 | sub ebx,edx |
159 | or ebx,ebx |
156 | or ebx,ebx |
160 | jge df_next |
157 | jge df_next |
161 | 158 | ||
162 | xor ah,ah |
159 | xor ah,ah |
163 | mov al,byte [si] |
160 | mov al,byte [si] |
164 | 161 | ||
165 | mov [@@xcol],ax |
162 | mov [@@xcol],ax |
166 | 163 | ||
167 | call filled_triangle |
164 | call filled_triangle |
168 | df_next: |
165 | df_next: |
169 | inc si |
166 | inc si |
170 | pop ecx |
167 | pop ecx |
171 | dec ecx |
168 | dec ecx |
172 | jnz df_draw |
169 | jnz df_draw |
173 | ret |
170 | ret |
174 | 171 | ||
175 | ;modify |
172 | ;modify |
176 | ;include graphlib.asm |
173 | ;include graphlib.asm |
177 | 174 | ||
178 | clear_screen_buffer: |
175 | clear_screen_buffer: |
179 | 176 | ||
180 | ;outscrbuf |
177 | ;outscrbuf |
181 | mov ebx,scrbuf |
178 | mov ebx,scrbuf |
182 | mov ecx,SCREEN_X*65536+SCREEN_Y |
179 | mov ecx,SCREEN_X*65536+SCREEN_Y |
183 | mov edx,5*65536+22 |
180 | mov edx,5*65536+22 |
184 | mov ax,7 |
181 | mov ax,7 |
185 | int 0x40 |
182 | mcall |
186 | 183 | ||
187 | ;White background |
184 | ;White background |
188 | mov edi,scrbuf |
185 | mov edi,scrbuf |
189 | mov ecx,(SCREEN_X*SCREEN_Y*3)/4 |
186 | mov ecx,(SCREEN_X*SCREEN_Y*3)/4 |
190 | mov eax,0xffffffff |
187 | mov eax,0xffffffff |
191 | cld |
188 | cld |
192 | rep stosd |
189 | rep stosd |
193 | 190 | ||
194 | ret |
191 | ret |
195 | 192 | ||
196 | ;include triangle.asm |
193 | ;include triangle.asm |
197 | ; Mikolaj Felix 14/5/2001 |
194 | ; Mikolaj Felix 14/5/2001 |
198 | ; mfelix@polbox.com |
195 | ; mfelix@polbox.com |
199 | 196 | ||
200 | ;filled trangle procedure |
197 | ;filled trangle procedure |
201 | 198 | ||
202 | @@tx1 dw 0 |
199 | @@tx1 dw 0 |
203 | @@ty1 dw 0 |
200 | @@ty1 dw 0 |
204 | @@tx2 dw 0 |
201 | @@tx2 dw 0 |
205 | @@ty2 dw 0 |
202 | @@ty2 dw 0 |
206 | @@tx3 dw 0 |
203 | @@tx3 dw 0 |
207 | @@ty3 dw 0 |
204 | @@ty3 dw 0 |
208 | @@xcol dw 0 |
205 | @@xcol dw 0 |
209 | 206 | ||
210 | @@dx12 dw 0 |
207 | @@dx12 dw 0 |
211 | @@dx13 dw 0 |
208 | @@dx13 dw 0 |
212 | @@dx23 dw 0 |
209 | @@dx23 dw 0 |
213 | 210 | ||
214 | filled_triangle: |
211 | filled_triangle: |
215 | 212 | ||
216 | mov ax,[@@xcol] ;trnsforming color |
213 | mov ax,[@@xcol] ;trnsforming color |
217 | mov bl,al ;byte bbbggrrx |
214 | mov bl,al ;byte bbbggrrx |
218 | mov dl,al ;to 3 byte |
215 | mov dl,al ;to 3 byte |
219 | mov dh,al ;bbbxxxxx ggxxxxxx rrxxxxxx |
216 | mov dh,al ;bbbxxxxx ggxxxxxx rrxxxxxx |
220 | and dh,00000001b |
217 | and dh,00000001b |
221 | 218 | ||
222 | and al,11100000b |
219 | and al,11100000b |
223 | and bl,00011000b |
220 | and bl,00011000b |
224 | and dl,00000110b |
221 | and dl,00000110b |
225 | shl bl,3 |
222 | shl bl,3 |
226 | shl dl,5 |
223 | shl dl,5 |
227 | 224 | ||
228 | cmp dh,1 |
225 | cmp dh,1 |
229 | jne no_bitup |
226 | jne no_bitup |
230 | or al,00011111b |
227 | or al,00011111b |
231 | or bl,00111111b |
228 | or bl,00111111b |
232 | or dl,00111111b |
229 | or dl,00111111b |
233 | no_bitup: |
230 | no_bitup: |
234 | 231 | ||
235 | shl eax,8 ;puck colors |
232 | shl eax,8 ;puck colors |
236 | mov al,bl |
233 | mov al,bl |
237 | shl eax,8 |
234 | shl eax,8 |
238 | mov al,dl |
235 | mov al,dl |
239 | mov dword [@@rgb],eax |
236 | mov dword [@@rgb],eax |
240 | mov eax,0 ; for 16 bit instructions |
237 | mov eax,0 ; for 16 bit instructions |
241 | 238 | ||
242 | mov ax,[@@ty1] |
239 | mov ax,[@@ty1] |
243 | cmp ax,[@@ty3] |
240 | cmp ax,[@@ty3] |
244 | jb ft_check1 |
241 | jb ft_check1 |
245 | 242 | ||
246 | xchg ax,[@@ty3] |
243 | xchg ax,[@@ty3] |
247 | mov [@@ty1],ax |
244 | mov [@@ty1],ax |
248 | 245 | ||
249 | mov ax,[@@tx1] |
246 | mov ax,[@@tx1] |
250 | xchg ax,[@@tx3] |
247 | xchg ax,[@@tx3] |
251 | mov [@@tx1],ax |
248 | mov [@@tx1],ax |
252 | ft_check1: |
249 | ft_check1: |
253 | mov ax,[@@ty2] |
250 | mov ax,[@@ty2] |
254 | cmp ax,[@@ty3] |
251 | cmp ax,[@@ty3] |
255 | jb ft_check2 |
252 | jb ft_check2 |
256 | 253 | ||
257 | xchg ax,[@@ty3] |
254 | xchg ax,[@@ty3] |
258 | mov [@@ty2],ax |
255 | mov [@@ty2],ax |
259 | 256 | ||
260 | mov ax,[@@tx2] |
257 | mov ax,[@@tx2] |
261 | xchg ax,[@@tx3] |
258 | xchg ax,[@@tx3] |
262 | mov [@@tx2],ax |
259 | mov [@@tx2],ax |
263 | ft_check2: |
260 | ft_check2: |
264 | mov ax,[@@ty1] |
261 | mov ax,[@@ty1] |
265 | cmp ax,[@@ty2] |
262 | cmp ax,[@@ty2] |
266 | jb ft_check3 |
263 | jb ft_check3 |
267 | 264 | ||
268 | xchg ax,[@@ty2] |
265 | xchg ax,[@@ty2] |
269 | mov [@@ty1],ax |
266 | mov [@@ty1],ax |
270 | 267 | ||
271 | mov ax,[@@tx1] |
268 | mov ax,[@@tx1] |
272 | xchg ax,[@@tx2] |
269 | xchg ax,[@@tx2] |
273 | mov [@@tx1],ax |
270 | mov [@@tx1],ax |
274 | ft_check3: |
271 | ft_check3: |
275 | 272 | ||
276 | mov bx,[@@ty2] |
273 | mov bx,[@@ty2] |
277 | sub bx,[@@ty1] |
274 | sub bx,[@@ty1] |
278 | jnz ft_dx12_make |
275 | jnz ft_dx12_make |
279 | 276 | ||
280 | mov [@@dx12],word 0 |
277 | mov [@@dx12],word 0 |
281 | jmp ft_dx12_done |
278 | jmp ft_dx12_done |
282 | ft_dx12_make: |
279 | ft_dx12_make: |
283 | mov ax,[@@tx2] |
280 | mov ax,[@@tx2] |
284 | sub ax,[@@tx1] |
281 | sub ax,[@@tx1] |
285 | shl ax,7 |
282 | shl ax,7 |
286 | cwd |
283 | cwd |
287 | idiv bx |
284 | idiv bx |
288 | mov [@@dx12],ax ; dx12 = (x2-x1)/(y2-y1) |
285 | mov [@@dx12],ax ; dx12 = (x2-x1)/(y2-y1) |
289 | ft_dx12_done: |
286 | ft_dx12_done: |
290 | 287 | ||
291 | mov bx,[@@ty3] |
288 | mov bx,[@@ty3] |
292 | sub bx,[@@ty1] |
289 | sub bx,[@@ty1] |
293 | jnz ft_dx13_make |
290 | jnz ft_dx13_make |
294 | 291 | ||
295 | mov [@@dx13],word 0 |
292 | mov [@@dx13],word 0 |
296 | jmp ft_dx13_done |
293 | jmp ft_dx13_done |
297 | ft_dx13_make: |
294 | ft_dx13_make: |
298 | mov ax,[@@tx3] |
295 | mov ax,[@@tx3] |
299 | sub ax,[@@tx1] |
296 | sub ax,[@@tx1] |
300 | shl ax,7 |
297 | shl ax,7 |
301 | cwd |
298 | cwd |
302 | idiv bx |
299 | idiv bx |
303 | mov [@@dx13],ax ; dx13 = (x3-x1)/(y3-y1) |
300 | mov [@@dx13],ax ; dx13 = (x3-x1)/(y3-y1) |
304 | ft_dx13_done: |
301 | ft_dx13_done: |
305 | 302 | ||
306 | mov bx,[@@ty3] |
303 | mov bx,[@@ty3] |
307 | sub bx,[@@ty2] |
304 | sub bx,[@@ty2] |
308 | jnz ft_dx23_make |
305 | jnz ft_dx23_make |
309 | 306 | ||
310 | mov [@@dx23],word 0 |
307 | mov [@@dx23],word 0 |
311 | jmp ft_dx23_done |
308 | jmp ft_dx23_done |
312 | ft_dx23_make: |
309 | ft_dx23_make: |
313 | mov ax,[@@tx3] |
310 | mov ax,[@@tx3] |
314 | sub ax,[@@tx2] |
311 | sub ax,[@@tx2] |
315 | shl ax,7 |
312 | shl ax,7 |
316 | cwd |
313 | cwd |
317 | idiv bx |
314 | idiv bx |
318 | mov [@@dx23],ax ; dx23 = (x3-x2)/(y3-y2) |
315 | mov [@@dx23],ax ; dx23 = (x3-x2)/(y3-y2) |
319 | ft_dx23_done: |
316 | ft_dx23_done: |
320 | 317 | ||
321 | mov ax,[@@tx1] |
318 | mov ax,[@@tx1] |
322 | shl ax,7 |
319 | shl ax,7 |
323 | mov bx,ax |
320 | mov bx,ax |
324 | 321 | ||
325 | mov cx,[@@ty1] |
322 | mov cx,[@@ty1] |
326 | ft_loop1: |
323 | ft_loop1: |
327 | 324 | ||
328 | pushad |
325 | pushad |
329 | 326 | ||
330 | mov [@@ly],cx |
327 | mov [@@ly],cx |
331 | mov dx,bx |
328 | mov dx,bx |
332 | shr dx,7 |
329 | shr dx,7 |
333 | mov [@@lx2],dx |
330 | mov [@@lx2],dx |
334 | mov dx,ax |
331 | mov dx,ax |
335 | shr dx,7 |
332 | shr dx,7 |
336 | mov [@@lx1],dx |
333 | mov [@@lx1],dx |
337 | mov ax,[@@xcol] |
334 | mov ax,[@@xcol] |
338 | mov [@@lcol],ax |
335 | mov [@@lcol],ax |
339 | call horizontal_line |
336 | call horizontal_line |
340 | 337 | ||
341 | popad |
338 | popad |
342 | 339 | ||
343 | add ax,[@@dx13] |
340 | add ax,[@@dx13] |
344 | add bx,[@@dx12] |
341 | add bx,[@@dx12] |
345 | inc cx |
342 | inc cx |
346 | cmp cx,[@@ty2] |
343 | cmp cx,[@@ty2] |
347 | jb ft_loop1 |
344 | jb ft_loop1 |
348 | 345 | ||
349 | 346 | ||
350 | mov bx,[@@tx2] |
347 | mov bx,[@@tx2] |
351 | shl bx,7 |
348 | shl bx,7 |
352 | mov cx,[@@ty2] |
349 | mov cx,[@@ty2] |
353 | ft_loop2: |
350 | ft_loop2: |
354 | 351 | ||
355 | pushad |
352 | pushad |
356 | 353 | ||
357 | mov [@@ly],cx |
354 | mov [@@ly],cx |
358 | mov dx,bx |
355 | mov dx,bx |
359 | shr dx,7 |
356 | shr dx,7 |
360 | mov [@@lx2],dx |
357 | mov [@@lx2],dx |
361 | mov dx,ax |
358 | mov dx,ax |
362 | shr dx,7 |
359 | shr dx,7 |
363 | mov [@@lx1],dx |
360 | mov [@@lx1],dx |
364 | mov ax,[@@xcol] |
361 | mov ax,[@@xcol] |
365 | mov [@@lcol],ax |
362 | mov [@@lcol],ax |
366 | call horizontal_line |
363 | call horizontal_line |
367 | 364 | ||
368 | popad |
365 | popad |
369 | 366 | ||
370 | add ax,[@@dx13] |
367 | add ax,[@@dx13] |
371 | add bx,[@@dx23] |
368 | add bx,[@@dx23] |
372 | inc ecx |
369 | inc ecx |
373 | cmp cx,[@@ty3] |
370 | cmp cx,[@@ty3] |
374 | jb ft_loop2 |
371 | jb ft_loop2 |
375 | 372 | ||
376 | ret |
373 | ret |
377 | 374 | ||
378 | ;horizontal line subproc |
375 | ;horizontal line subproc |
379 | 376 | ||
380 | @@lx1 dw 0 |
377 | @@lx1 dw 0 |
381 | @@lx2 dw 0 |
378 | @@lx2 dw 0 |
382 | @@ly dw 0 |
379 | @@ly dw 0 |
383 | @@lcol dw 0 |
380 | @@lcol dw 0 |
384 | 381 | ||
385 | @@rgb dd 0 |
382 | @@rgb dd 0 |
386 | 383 | ||
387 | horizontal_line: |
384 | horizontal_line: |
388 | 385 | ||
389 | mov ecx,0 |
386 | mov ecx,0 |
390 | mov cx,[@@lx1] |
387 | mov cx,[@@lx1] |
391 | cmp cx,[@@lx2] |
388 | cmp cx,[@@lx2] |
392 | ja x12 |
389 | ja x12 |
393 | je ext |
390 | je ext |
394 | ; ret |
391 | ; ret |
395 | mov cx,[@@lx2] |
392 | mov cx,[@@lx2] |
396 | sub cx,[@@lx1] |
393 | sub cx,[@@lx1] |
397 | mov edi,3 |
394 | mov edi,3 |
398 | jmp xx |
395 | jmp xx |
399 | x12: |
396 | x12: |
400 | mov cx,[@@lx1] |
397 | mov cx,[@@lx1] |
401 | sub cx,[@@lx2] |
398 | sub cx,[@@lx2] |
402 | mov edi,-3 |
399 | mov edi,-3 |
403 | jmp xx |
400 | jmp xx |
404 | ext: |
401 | ext: |
405 | mov ecx,-1 ;1 |
402 | mov ecx,-1 ;1 |
406 | ; sub ebp,3 |
403 | ; sub ebp,3 |
407 | xx: |
404 | xx: |
408 | mov eax,0 |
405 | mov eax,0 |
409 | mov ax,[@@ly] |
406 | mov ax,[@@ly] |
410 | mov ebx,SCREEN_X ;320 |
407 | mov ebx,SCREEN_X ;320 |
411 | mul ebx |
408 | mul ebx |
412 | mov ebp,0 |
409 | mov ebp,0 |
413 | mov bp,[@@lx1] ;for correct 16 bit size |
410 | mov bp,[@@lx1] ;for correct 16 bit size |
414 | add eax,ebp |
411 | add eax,ebp |
415 | mov ebx,3 |
412 | mov ebx,3 |
416 | mul ebx |
413 | mul ebx |
417 | mov ebp,eax |
414 | mov ebp,eax |
418 | sub ebp,3 ;for delete white dots |
415 | sub ebp,3 ;for delete white dots |
419 | add ecx,2 |
416 | add ecx,2 |
420 | loo: |
417 | loo: |
421 | 418 | ||
422 | mov eax,dword [@@rgb] |
419 | mov eax,dword [@@rgb] |
423 | mov bl,al |
420 | mov bl,al |
424 | shr eax,8 ;puck colors |
421 | shr eax,8 ;puck colors |
425 | 422 | ||
426 | mov byte [scrbuf+ebp],ah |
423 | mov byte [scrbuf+ebp],ah |
427 | mov byte [scrbuf+ebp+1],al |
424 | mov byte [scrbuf+ebp+1],al |
428 | mov byte [scrbuf+ebp+2],bl |
425 | mov byte [scrbuf+ebp+2],bl |
429 | add ebp,edi |
426 | add ebp,edi |
430 | dec ecx |
427 | dec ecx |
431 | jnz loo |
428 | jnz loo |
432 | 429 | ||
433 | ret |
430 | ret |
434 | 431 | ||
435 | ;include fixed3d.asm |
432 | ;include fixed3d.asm |
436 | ; Mikolaj Felix 25/5/2001 |
433 | ; Mikolaj Felix 25/5/2001 |
437 | ; mfelix@polbox.com |
434 | ; mfelix@polbox.com |
438 | 435 | ||
439 | ;------------------------------------------------------------ |
436 | ;------------------------------------------------------------ |
440 | ; ds:si - offset to angles |
437 | ; ds:si - offset to angles |
441 | ; ds:di - offset to 3d points |
438 | ; ds:di - offset to 3d points |
442 | ; cx - number of points |
439 | ; cx - number of points |
443 | ;------------------------------------------------------------ |
440 | ;------------------------------------------------------------ |
444 | 441 | ||
445 | @@sin_x dw 0 |
442 | @@sin_x dw 0 |
446 | @@cos_x dw 0 |
443 | @@cos_x dw 0 |
447 | @@sin_y dw 0 |
444 | @@sin_y dw 0 |
448 | @@cos_y dw 0 |
445 | @@cos_y dw 0 |
449 | @@sin_z dw 0 |
446 | @@sin_z dw 0 |
450 | @@cos_z dw 0 |
447 | @@cos_z dw 0 |
451 | 448 | ||
452 | @@px equ word [edi] |
449 | @@px equ word [edi] |
453 | @@py equ word [edi+2] |
450 | @@py equ word [edi+2] |
454 | @@pz equ word [edi+4] |
451 | @@pz equ word [edi+4] |
455 | 452 | ||
456 | rotate_points: |
453 | rotate_points: |
457 | 454 | ||
458 | push edi |
455 | push edi |
459 | mov edi,@@sin_x |
456 | mov edi,@@sin_x |
460 | mov edx,3 |
457 | mov edx,3 |
461 | rp_sin_cos: |
458 | rp_sin_cos: |
462 | mov bx,word [esi] |
459 | mov bx,word [esi] |
463 | and bx,511 |
460 | and bx,511 |
464 | shl bx,1 |
461 | shl bx,1 |
465 | mov ax,word [sin_table+bx] |
462 | mov ax,word [sin_table+bx] |
466 | mov word [edi],ax |
463 | mov word [edi],ax |
467 | mov ax,word [cos_table+bx] |
464 | mov ax,word [cos_table+bx] |
468 | mov word [edi+2],ax |
465 | mov word [edi+2],ax |
469 | 466 | ||
470 | add esi,2 |
467 | add esi,2 |
471 | add edi,4 |
468 | add edi,4 |
472 | dec edx |
469 | dec edx |
473 | jnz rp_sin_cos |
470 | jnz rp_sin_cos |
474 | pop edi |
471 | pop edi |
475 | 472 | ||
476 | rp_rotate: |
473 | rp_rotate: |
477 | 474 | ||
478 | ; rotate around x-axis |
475 | ; rotate around x-axis |
479 | 476 | ||
480 | mov ax,@@py |
477 | mov ax,@@py |
481 | imul [@@cos_x] |
478 | imul [@@cos_x] |
482 | mov bx,ax |
479 | mov bx,ax |
483 | mov si,dx |
480 | mov si,dx |
484 | 481 | ||
485 | mov ax,@@pz |
482 | mov ax,@@pz |
486 | imul [@@sin_x] |
483 | imul [@@sin_x] |
487 | sub bx,ax |
484 | sub bx,ax |
488 | sbb si,dx |
485 | sbb si,dx |
489 | shrd bx,si,14 |
486 | shrd bx,si,14 |
490 | push bx |
487 | push bx |
491 | 488 | ||
492 | mov ax,@@py |
489 | mov ax,@@py |
493 | imul [@@sin_x] |
490 | imul [@@sin_x] |
494 | mov bx,ax |
491 | mov bx,ax |
495 | mov si,dx |
492 | mov si,dx |
496 | 493 | ||
497 | mov ax,@@pz |
494 | mov ax,@@pz |
498 | imul [@@cos_x] |
495 | imul [@@cos_x] |
499 | add bx,ax |
496 | add bx,ax |
500 | adc si,dx |
497 | adc si,dx |
501 | shrd bx,si,14 |
498 | shrd bx,si,14 |
502 | 499 | ||
503 | pop @@py |
500 | pop @@py |
504 | mov @@pz,bx |
501 | mov @@pz,bx |
505 | 502 | ||
506 | ; rotate around y-axis |
503 | ; rotate around y-axis |
507 | 504 | ||
508 | mov ax,@@px |
505 | mov ax,@@px |
509 | imul [@@cos_y] |
506 | imul [@@cos_y] |
510 | mov bx,ax |
507 | mov bx,ax |
511 | mov si,dx |
508 | mov si,dx |
512 | 509 | ||
513 | mov ax,@@pz |
510 | mov ax,@@pz |
514 | imul [@@sin_y] |
511 | imul [@@sin_y] |
515 | sub bx,ax |
512 | sub bx,ax |
516 | sbb si,dx |
513 | sbb si,dx |
517 | shrd bx,si,14 |
514 | shrd bx,si,14 |
518 | push bx |
515 | push bx |
519 | 516 | ||
520 | mov ax,@@px |
517 | mov ax,@@px |
521 | imul [@@sin_y] |
518 | imul [@@sin_y] |
522 | mov bx,ax |
519 | mov bx,ax |
523 | mov si,dx |
520 | mov si,dx |
524 | 521 | ||
525 | mov ax,@@pz |
522 | mov ax,@@pz |
526 | imul [@@cos_y] |
523 | imul [@@cos_y] |
527 | add bx,ax |
524 | add bx,ax |
528 | adc si,dx |
525 | adc si,dx |
529 | shrd bx,si,14 |
526 | shrd bx,si,14 |
530 | 527 | ||
531 | pop @@px |
528 | pop @@px |
532 | mov @@pz,bx |
529 | mov @@pz,bx |
533 | 530 | ||
534 | ; rotate around z-axis |
531 | ; rotate around z-axis |
535 | 532 | ||
536 | mov ax,@@px |
533 | mov ax,@@px |
537 | imul [@@cos_z] |
534 | imul [@@cos_z] |
538 | mov bx,ax |
535 | mov bx,ax |
539 | mov si,dx |
536 | mov si,dx |
540 | 537 | ||
541 | mov ax,@@py |
538 | mov ax,@@py |
542 | imul [@@sin_z] |
539 | imul [@@sin_z] |
543 | sub bx,ax |
540 | sub bx,ax |
544 | sbb si,dx |
541 | sbb si,dx |
545 | shrd bx,si,14 |
542 | shrd bx,si,14 |
546 | push bx |
543 | push bx |
547 | 544 | ||
548 | mov ax,@@px |
545 | mov ax,@@px |
549 | imul [@@sin_z] |
546 | imul [@@sin_z] |
550 | mov bx,ax |
547 | mov bx,ax |
551 | mov si,dx |
548 | mov si,dx |
552 | 549 | ||
553 | mov ax,@@py |
550 | mov ax,@@py |
554 | imul [@@cos_z] |
551 | imul [@@cos_z] |
555 | add bx,ax |
552 | add bx,ax |
556 | adc si,dx |
553 | adc si,dx |
557 | shrd bx,si,14 |
554 | shrd bx,si,14 |
558 | 555 | ||
559 | pop @@px |
556 | pop @@px |
560 | mov @@py,bx |
557 | mov @@py,bx |
561 | 558 | ||
562 | add edi,6 |
559 | add edi,6 |
563 | dec ecx |
560 | dec ecx |
564 | jnz rp_rotate |
561 | jnz rp_rotate |
565 | 562 | ||
566 | ret |
563 | ret |
567 | 564 | ||
568 | ;------------------------------------------------------------ |
565 | ;------------------------------------------------------------ |
569 | ; ds:si - offset to 3d points |
566 | ; ds:si - offset to 3d points |
570 | ; es:di - offset to 2d points |
567 | ; es:di - offset to 2d points |
571 | ; cx - number of points |
568 | ; cx - number of points |
572 | ;------------------------------------------------------------ |
569 | ;------------------------------------------------------------ |
573 | 570 | ||
574 | mx dw 0 |
571 | mx dw 0 |
575 | my dw 0 |
572 | my dw 0 |
576 | 573 | ||
577 | translate_points: |
574 | translate_points: |
578 | pushad |
575 | pushad |
579 | mov eax,37 |
576 | mov eax,37 |
580 | mov ebx,1 |
577 | mov ebx,1 |
581 | int 0x40 |
578 | mcall |
582 | mov ebx,eax |
579 | mov ebx,eax |
583 | shr eax,16 |
580 | shr eax,16 |
584 | and ebx,0xffff |
581 | and ebx,0xffff |
585 | cmp ax,SCREEN_X |
582 | cmp ax,SCREEN_X |
586 | jna x_n |
583 | jna x_n |
587 | mov ax,0 ;SCREEN_X |
584 | mov ax,0 ;SCREEN_X |
588 | x_n: |
585 | x_n: |
589 | cmp bx,SCREEN_Y |
586 | cmp bx,SCREEN_Y |
590 | jna y_n |
587 | jna y_n |
591 | mov bx,0 ;SCREEN_Y |
588 | mov bx,0 ;SCREEN_Y |
592 | y_n: |
589 | y_n: |
593 | mov [mx],ax |
590 | mov [mx],ax |
594 | mov [my],bx |
591 | mov [my],bx |
595 | popad |
592 | popad |
596 | 593 | ||
597 | mov ebx,0 ;? |
594 | mov ebx,0 ;? |
598 | mov bx,word [esi+4] |
595 | mov bx,word [esi+4] |
599 | mov ax,[my] |
596 | mov ax,[my] |
600 | cmp ax,0 |
597 | cmp ax,0 |
601 | jng no_m |
598 | jng no_m |
602 | shl ax,3 |
599 | shl ax,3 |
603 | add bx,ax |
600 | add bx,ax |
604 | no_m: |
601 | no_m: |
605 | add bx,256 ; Z factor (zoom) |
602 | add bx,256 ; Z factor (zoom) |
606 | 603 | ||
607 | mov eax,0 ;? |
604 | mov eax,0 ;? |
608 | mov ax,word [esi] |
605 | mov ax,word [esi] |
609 | shl ax,8 |
606 | shl ax,8 |
610 | cwd |
607 | cwd |
611 | idiv bx; bx |
608 | idiv bx; bx |
612 | add ax,(SCREEN_X/2) ;160 ;X factor (center X) |
609 | add ax,(SCREEN_X/2) ;160 ;X factor (center X) |
613 | stosw |
610 | stosw |
614 | 611 | ||
615 | mov eax,0 ;? |
612 | mov eax,0 ;? |
616 | mov ax,word [esi+2] |
613 | mov ax,word [esi+2] |
617 | shl ax,8 |
614 | shl ax,8 |
618 | cwd |
615 | cwd |
619 | idiv bx |
616 | idiv bx |
620 | add ax,(SCREEN_Y/2) ;100 ;Y factor (center Y) |
617 | add ax,(SCREEN_Y/2) ;100 ;Y factor (center Y) |
621 | stosw |
618 | stosw |
622 | 619 | ||
623 | add esi,6 |
620 | add esi,6 |
624 | dec ecx |
621 | dec ecx |
625 | jnz translate_points |
622 | jnz translate_points |
626 | ret |
623 | ret |
627 | 624 | ||
628 | init_sin_cos: |
625 | init_sin_cos: |
629 | finit |
626 | finit |
630 | fldz |
627 | fldz |
631 | fstp [temp] |
628 | fstp [temp] |
632 | xor edi,edi |
629 | xor edi,edi |
633 | mov ecx,512 |
630 | mov ecx,512 |
634 | isc_make: |
631 | isc_make: |
635 | fld [temp] |
632 | fld [temp] |
636 | fld st0 |
633 | fld st0 |
637 | fld st0 |
634 | fld st0 |
638 | fsin |
635 | fsin |
639 | fmul [fixed_point_const] |
636 | fmul [fixed_point_const] |
640 | fistp word [sin_table+edi] |
637 | fistp word [sin_table+edi] |
641 | fcos |
638 | fcos |
642 | fmul [fixed_point_const] |
639 | fmul [fixed_point_const] |
643 | fistp word [cos_table+edi] |
640 | fistp word [cos_table+edi] |
644 | 641 | ||
645 | fadd [inc_angle] |
642 | fadd [inc_angle] |
646 | fstp [temp] |
643 | fstp [temp] |
647 | 644 | ||
648 | add edi,2 |
645 | add edi,2 |
649 | loop isc_make |
646 | loop isc_make |
650 | ret |
647 | ret |
651 | 648 | ||
652 | temp dd 0 |
649 | temp dd 0 |
653 | 650 | ||
654 | fixed_point_const dd 16384.0 |
651 | fixed_point_const dd 16384.0 |
655 | inc_angle dd 0.01227184630309 ; pi/256 |
652 | inc_angle dd 0.01227184630309 ; pi/256 |
656 | 653 | ||
657 | angle_x dw 0 |
654 | angle_x dw 0 |
658 | angle_y dw 0 |
655 | angle_y dw 0 |
659 | angle_z dw 0 |
656 | angle_z dw 0 |
660 | 657 | ||
661 | object dw -50,-50,-50, 50,-50,-50, 50,50,-50, -50,50,-50 |
658 | object dw -50,-50,-50, 50,-50,-50, 50,50,-50, -50,50,-50 |
662 | dw -50,-50, 50, 50,-50, 50, 50,50, 50, -50,50, 50 |
659 | dw -50,-50, 50, 50,-50, 50, 50,50, 50, -50,50, 50 |
663 | 660 | ||
664 | link: |
661 | link: |
665 | db 0,1,2,10000011b, 0,2,3,10000011b ;purpure side |
662 | db 0,1,2,10000011b, 0,2,3,10000011b ;purpure side |
666 | db 5,4,7,00000111b, 5,7,6,00000111b ;soft-red side |
663 | db 5,4,7,00000111b, 5,7,6,00000111b ;soft-red side |
667 | db 1,5,6,00011000b, 1,6,2,00011000b ;soft-lime side |
664 | db 1,5,6,00011000b, 1,6,2,00011000b ;soft-lime side |
668 | db 4,0,3,11100001b, 4,3,7,11100001b ;soft-blue side |
665 | db 4,0,3,11100001b, 4,3,7,11100001b ;soft-blue side |
669 | db 4,5,1,00011111b, 1,0,4,00011111b ;yellow side |
666 | db 4,5,1,00011111b, 1,0,4,00011111b ;yellow side |
670 | db 3,2,6,00000000b, 3,6,7,00000000b ;black side |
667 | db 3,2,6,00000000b, 3,6,7,00000000b ;black side |
671 | 668 | ||
672 | sin_table: |
669 | sin_table: |
673 | rw 512 |
670 | rw 512 |
674 | cos_table: |
671 | cos_table: |
675 | rw 512 |
672 | rw 512 |
676 | 673 | ||
677 | object_rotated: |
674 | object_rotated: |
678 | rw MAX_POINTS*3 |
675 | rw MAX_POINTS*3 |
679 | object_translated: |
676 | object_translated: |
680 | rw MAX_POINTS*2 |
677 | rw MAX_POINTS*2 |
681 | 678 | ||
682 | scrbuf: |
679 | scrbuf: |
683 | I_END: |
680 | I_END: |