… | |
… | |
82 | #define expect_true(expr) expect ((expr) != 0, 1) |
82 | #define expect_true(expr) expect ((expr) != 0, 1) |
83 | |
83 | |
84 | #define OBJ_STR "\xef\xbf\xbc" /* U+FFFC, object replacement character */ |
84 | #define OBJ_STR "\xef\xbf\xbc" /* U+FFFC, object replacement character */ |
85 | |
85 | |
86 | #define FOW_DARKNESS 64 |
86 | #define FOW_DARKNESS 64 |
|
|
87 | #define DARKNESS_ADJUST(n) ((29 * (int)(n)) >> 5) /* times 0.9 */ |
87 | |
88 | |
88 | #define MAP_EXTEND_X 32 |
89 | #define MAP_EXTEND_X 32 |
89 | #define MAP_EXTEND_Y 512 |
90 | #define MAP_EXTEND_Y 512 |
90 | |
91 | |
91 | #define MIN_FONT_HEIGHT 10 |
92 | #define MIN_FONT_HEIGHT 10 |
… | |
… | |
1659 | glDisable (GL_BLEND); |
1660 | glDisable (GL_BLEND); |
1660 | } |
1661 | } |
1661 | } |
1662 | } |
1662 | |
1663 | |
1663 | void |
1664 | void |
1664 | draw_fow_texture (float intensity, int name1, float s1, float t1, float w1, float h1) |
1665 | draw_fow_texture (float intensity, int name1, float s1, float t1, float w1, float h1, float blend = 0.f, float dx = 0.f, float dy = 0.f, int name2 = 0, float s2 = 0.f, float t2 = 0.f, float w2 = 0.f, float h2 = 0.f) |
1665 | PROTOTYPE: @ |
1666 | PROTOTYPE: @ |
1666 | CODE: |
1667 | CODE: |
1667 | { |
1668 | { |
1668 | glEnable (GL_TEXTURE_2D); |
1669 | glEnable (GL_TEXTURE_2D); |
1669 | glEnable (GL_BLEND); |
1670 | glEnable (GL_BLEND); |
1670 | glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
|
|
1671 | glBlendFunc (GL_ONE, GL_ONE_MINUS_SRC_ALPHA); |
1671 | glBlendFunc (GL_ONE, GL_ONE_MINUS_SRC_ALPHA); |
|
|
1672 | glBindTexture (GL_TEXTURE_2D, name1); |
1672 | |
1673 | |
1673 | glColor4f (intensity, intensity, intensity, 0.9); |
1674 | glColor3f (intensity, intensity, intensity); |
1674 | glPushMatrix (); |
1675 | glPushMatrix (); |
1675 | glScalef (1./3, 1./3, 1.); |
1676 | glScalef (1./3, 1./3, 1.); |
1676 | |
1677 | |
|
|
1678 | if (blend > 0.f) |
|
|
1679 | { |
|
|
1680 | float S2, T2; /* 0. 0. for texture 2 */ |
|
|
1681 | float w = w1 > w2 ? w1 : w2; |
|
|
1682 | float h = h1 > h2 ? h1 : h2; |
|
|
1683 | GLfloat env_color[4] = { 0., 0., 0., blend }; |
|
|
1684 | |
|
|
1685 | /* interpolate the two shadow textures */ |
|
|
1686 | /* stage 0 == rgb(glcolor) + alpha(t0) */ |
|
|
1687 | glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); |
|
|
1688 | |
|
|
1689 | /* stage 1 == rgb(glcolor) + alpha(interpolate t0, t1, texenv) */ |
|
|
1690 | gl.ActiveTexture (GL_TEXTURE1); |
|
|
1691 | glEnable (GL_TEXTURE_2D); |
1677 | glBindTexture (GL_TEXTURE_2D, name1); |
1692 | glBindTexture (GL_TEXTURE_2D, name2); |
|
|
1693 | glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE); |
1678 | |
1694 | |
|
|
1695 | /* rgb == rgb(glcolor) */ |
|
|
1696 | glTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_REPLACE); |
|
|
1697 | glTexEnvi (GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_CONSTANT); |
|
|
1698 | glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR); |
|
|
1699 | |
|
|
1700 | /* alpha = interpolate t0, t1 by env_alpha */ |
|
|
1701 | glTexEnvfv (GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, env_color); |
|
|
1702 | |
|
|
1703 | glTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_INTERPOLATE); |
|
|
1704 | glTexEnvi (GL_TEXTURE_ENV, GL_SOURCE0_ALPHA, GL_TEXTURE); |
|
|
1705 | glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_ALPHA); |
|
|
1706 | |
|
|
1707 | glTexEnvi (GL_TEXTURE_ENV, GL_SOURCE1_ALPHA, GL_PREVIOUS); |
|
|
1708 | glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND1_ALPHA, GL_SRC_ALPHA); |
|
|
1709 | |
|
|
1710 | glTexEnvi (GL_TEXTURE_ENV, GL_SOURCE2_ALPHA, GL_CONSTANT); |
|
|
1711 | glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND2_ALPHA, GL_SRC_ALPHA); |
|
|
1712 | |
|
|
1713 | s1 *= w / w1; |
|
|
1714 | t1 *= h / h1; |
|
|
1715 | |
|
|
1716 | dx *= -3.f / w2; |
|
|
1717 | dy *= -3.f / h2; |
|
|
1718 | dx *= w / w2; |
|
|
1719 | dy *= h / h2; |
|
|
1720 | |
|
|
1721 | s2 *= w / w2; |
|
|
1722 | t2 *= h / h2; |
|
|
1723 | |
1679 | glBegin (GL_QUADS); |
1724 | glBegin (GL_QUADS); |
|
|
1725 | gl.MultiTexCoord2f (GL_TEXTURE0, 0, 0); gl.MultiTexCoord2f (GL_TEXTURE1, dx , dy ); glVertex2f ( 0, 0); |
|
|
1726 | gl.MultiTexCoord2f (GL_TEXTURE0, 0, t1); gl.MultiTexCoord2f (GL_TEXTURE1, dx , dy + t2); glVertex2f ( 0, h1); |
|
|
1727 | gl.MultiTexCoord2f (GL_TEXTURE0, s1, t1); gl.MultiTexCoord2f (GL_TEXTURE1, dx + s2, dy + t2); glVertex2f (w1, h1); |
|
|
1728 | gl.MultiTexCoord2f (GL_TEXTURE0, s1, 0); gl.MultiTexCoord2f (GL_TEXTURE1, dx + s2, dy ); glVertex2f (w1, 0); |
|
|
1729 | glEnd (); |
|
|
1730 | |
|
|
1731 | glDisable (GL_TEXTURE_2D); |
|
|
1732 | gl.ActiveTexture (GL_TEXTURE0); |
|
|
1733 | } |
|
|
1734 | else |
|
|
1735 | { |
|
|
1736 | /* simple blending of one texture, also opengl <1.3 path */ |
|
|
1737 | glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); |
|
|
1738 | |
|
|
1739 | glBegin (GL_QUADS); |
1680 | glTexCoord2f ( 0, 0); glVertex2f ( 0, 0); |
1740 | glTexCoord2f ( 0, 0); glVertex2f ( 0, 0); |
1681 | glTexCoord2f ( 0, t1); glVertex2f ( 0, h1); |
1741 | glTexCoord2f ( 0, t1); glVertex2f ( 0, h1); |
1682 | glTexCoord2f (s1, t1); glVertex2f (w1, h1); |
1742 | glTexCoord2f (s1, t1); glVertex2f (w1, h1); |
1683 | glTexCoord2f (s1, 0); glVertex2f (w1, 0); |
1743 | glTexCoord2f (s1, 0); glVertex2f (w1, 0); |
1684 | glEnd (); |
1744 | glEnd (); |
|
|
1745 | } |
1685 | |
1746 | |
1686 | glPopMatrix (); |
1747 | glPopMatrix (); |
1687 | |
1748 | |
1688 | glDisable (GL_TEXTURE_2D); |
1749 | glDisable (GL_TEXTURE_2D); |
1689 | glDisable (GL_BLEND); |
1750 | glDisable (GL_BLEND); |
… | |
… | |
2450 | SvCUR_set (darkness3_sv, sw34 * sh3); |
2511 | SvCUR_set (darkness3_sv, sw34 * sh3); |
2451 | |
2512 | |
2452 | mx += self->x - 1; |
2513 | mx += self->x - 1; |
2453 | my += self->y - 1; |
2514 | my += self->y - 1; |
2454 | |
2515 | |
2455 | memset (darkness1, 255 - FOW_DARKNESS, sw1 * sh1); |
2516 | memset (darkness1, DARKNESS_ADJUST (255 - FOW_DARKNESS), sw1 * sh1); |
2456 | |
2517 | |
2457 | for (y = 0; y < sh1; y++) |
2518 | for (y = 0; y < sh1; y++) |
2458 | if (0 <= y + my && y + my < self->rows) |
2519 | if (0 <= y + my && y + my < self->rows) |
2459 | { |
2520 | { |
2460 | maprow *row = self->row + (y + my); |
2521 | maprow *row = self->row + (y + my); |
… | |
… | |
2463 | if (row->c0 <= x + mx && x + mx < row->c1) |
2524 | if (row->c0 <= x + mx && x + mx < row->c1) |
2464 | { |
2525 | { |
2465 | mapcell *cell = row->col + (x + mx - row->c0); |
2526 | mapcell *cell = row->col + (x + mx - row->c0); |
2466 | |
2527 | |
2467 | darkness1 [y * sw1 + x] = cell->darkness |
2528 | darkness1 [y * sw1 + x] = cell->darkness |
2468 | ? 255 - (cell->darkness - 1) |
2529 | ? DARKNESS_ADJUST (255 - (cell->darkness - 1)) |
2469 | : 255 - FOW_DARKNESS; |
2530 | : DARKNESS_ADJUST (255 - FOW_DARKNESS); |
2470 | } |
2531 | } |
2471 | } |
2532 | } |
2472 | |
2533 | |
2473 | for (y = 0; y < sh; ++y) |
2534 | for (y = 0; y < sh; ++y) |
2474 | for (x = 0; x < sw; ++x) |
2535 | for (x = 0; x < sw; ++x) |