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| 1960 | glDisable (GL_BLEND); |
1960 | glDisable (GL_BLEND); |
| 1961 | glDisable (GL_TEXTURE_2D); |
1961 | glDisable (GL_TEXTURE_2D); |
| 1962 | } |
1962 | } |
| 1963 | |
1963 | |
| 1964 | void |
1964 | void |
| 1965 | fow_texture (CFPlus::Map self, int mx, int my, int sw, int sh, int smoothing, const char *matrix) |
1965 | fow_texture (CFPlus::Map self, int mx, int my, int sw, int sh) |
| 1966 | PPCODE: |
1966 | PPCODE: |
| 1967 | { |
1967 | { |
| 1968 | int x, y; |
1968 | int x, y; |
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1969 | int sw1 = sw + 2; |
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1970 | int sh1 = sh + 2; |
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1971 | int sh3 = sh * 3; |
| 1969 | int sw4 = (sw + 3) & ~3; |
1972 | int sw34 = (sw * 3 + 3) & ~3; |
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1973 | uint8_t *darkness1 = (uint8_t *)malloc (sw1 * sh1); |
| 1970 | SV *darkness_sv = sv_2mortal (newSV (sw4 * sh)); |
1974 | SV *darkness3_sv = sv_2mortal (newSV (sw34 * sh3)); |
| 1971 | uint8_t *darkness = (uint8_t *)SvPVX (darkness_sv); |
1975 | uint8_t *darkness3 = (uint8_t *)SvPVX (darkness3_sv); |
| 1972 | |
1976 | |
| 1973 | memset (darkness, 255, sw4 * sh); |
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| 1974 | SvPOK_only (darkness_sv); |
1977 | SvPOK_only (darkness3_sv); |
| 1975 | SvCUR_set (darkness_sv, sw4 * sh); |
1978 | SvCUR_set (darkness3_sv, sw34 * sh3); |
| 1976 | |
1979 | |
| 1977 | mx += self->x; |
1980 | mx += self->x - 1; |
| 1978 | my += self->y; |
1981 | my += self->y - 1; |
| 1979 | |
1982 | |
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1983 | memset (darkness1, 255, sw1 * sh1); |
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1984 | |
| 1980 | for (y = 0; y < sh; y++) |
1985 | for (y = 0; y < sh1; y++) |
| 1981 | if (0 <= y + my && y + my < self->rows) |
1986 | if (0 <= y + my && y + my < self->rows) |
| 1982 | { |
1987 | { |
| 1983 | maprow *row = self->row + (y + my); |
1988 | maprow *row = self->row + (y + my); |
| 1984 | |
1989 | |
| 1985 | for (x = 0; x < sw; x++) |
1990 | for (x = 0; x < sw1; x++) |
| 1986 | if (row->c0 <= x + mx && x + mx < row->c1) |
1991 | if (row->c0 <= x + mx && x + mx < row->c1) |
| 1987 | { |
1992 | { |
| 1988 | mapcell *cell = row->col + (x + mx - row->c0); |
1993 | mapcell *cell = row->col + (x + mx - row->c0); |
| 1989 | |
1994 | |
| 1990 | darkness[y * sw4 + x] = cell->darkness |
1995 | darkness1 [y * sw1 + x] = cell->darkness |
| 1991 | ? 255 - (cell->darkness - 1) |
1996 | ? 255 - (cell->darkness - 1) |
| 1992 | : 255 - FOW_DARKNESS; |
1997 | : 255 - FOW_DARKNESS; |
| 1993 | } |
1998 | } |
| 1994 | } |
1999 | } |
| 1995 | |
2000 | |
| 1996 | if (smoothing) |
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| 1997 | { |
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| 1998 | SV *darkness2_sv = sv_2mortal (newSV (sw4 * sh)); |
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| 1999 | uint8_t *darkness2 = (uint8_t *)SvPVX (darkness2_sv); |
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| 2000 | |
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| 2001 | SvPOK_only (darkness2_sv); |
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| 2002 | SvCUR_set (darkness2_sv, sw4 * sh); |
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| 2003 | |
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| 2004 | for (y = 0; y < sh; ++y) |
2001 | for (y = 0; y < sh; ++y) |
| 2005 | for (x = 0; x < sw4; ++x) |
2002 | for (x = 0; x < sw; ++x) |
| 2006 | { |
2003 | { |
| 2007 | float *f = (float *)matrix; |
2004 | uint8_t d11 = darkness1 [(y ) * sw1 + x ]; |
| 2008 | int dx, dy; |
2005 | uint8_t d21 = darkness1 [(y ) * sw1 + x + 1]; |
| 2009 | float sum = 0.f; |
2006 | uint8_t d31 = darkness1 [(y ) * sw1 + x + 2]; |
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2007 | uint8_t d12 = darkness1 [(y + 1) * sw1 + x ]; |
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2008 | uint8_t d22 = darkness1 [(y + 1) * sw1 + x + 1]; |
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2009 | uint8_t d32 = darkness1 [(y + 1) * sw1 + x + 2]; |
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2010 | uint8_t d13 = darkness1 [(y + 2) * sw1 + x ]; |
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2011 | uint8_t d23 = darkness1 [(y + 2) * sw1 + x + 1]; |
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2012 | uint8_t d33 = darkness1 [(y + 2) * sw1 + x + 2]; |
| 2010 | |
2013 | |
| 2011 | for (dy = -1; dy <= 1; ++dy) |
2014 | uint8_t r11 = (d11 + d21 + d12) / 3; |
| 2012 | for (dx = -1; dx <= 1; ++dx) |
2015 | uint8_t r21 = d21; |
| 2013 | { |
2016 | uint8_t r31 = (d21 + d31 + d32) / 3; |
| 2014 | unsigned int x2 = x + dx; |
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| 2015 | unsigned int y2 = y + dy; |
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| 2016 | |
2017 | |
| 2017 | sum += (x2 < sw && y2 < sh ? darkness [y2 * sw4 + x2] : 255) * *f++; |
2018 | uint8_t r12 = d12; |
| 2018 | } |
2019 | uint8_t r22 = d22; |
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2020 | uint8_t r32 = d32; |
| 2019 | |
2021 | |
| 2020 | darkness2 [y * sw4 + x] = sum > 255. ? 255. : sum; |
2022 | uint8_t r13 = (d13 + d23 + d12) / 3; |
| 2021 | } |
2023 | uint8_t r23 = d23; |
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2024 | uint8_t r33 = (d23 + d33 + d32) / 3; |
| 2022 | |
2025 | |
| 2023 | darkness_sv = darkness2_sv; |
2026 | darkness3 [(y * 3 ) * sw34 + (x * 3 )] = MAX (d22, r11); |
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2027 | darkness3 [(y * 3 ) * sw34 + (x * 3 + 1)] = MAX (d22, r21); |
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2028 | darkness3 [(y * 3 ) * sw34 + (x * 3 + 2)] = MAX (d22, r31); |
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2029 | darkness3 [(y * 3 + 1) * sw34 + (x * 3 )] = MAX (d22, r12); |
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2030 | darkness3 [(y * 3 + 1) * sw34 + (x * 3 + 1)] = MAX (d22, r22); |
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2031 | darkness3 [(y * 3 + 1) * sw34 + (x * 3 + 2)] = MAX (d22, r32); |
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2032 | darkness3 [(y * 3 + 2) * sw34 + (x * 3 )] = MAX (d22, r13); |
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2033 | darkness3 [(y * 3 + 2) * sw34 + (x * 3 + 1)] = MAX (d22, r23); |
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2034 | darkness3 [(y * 3 + 2) * sw34 + (x * 3 + 2)] = MAX (d22, r33); |
| 2024 | } |
2035 | } |
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2036 | |
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2037 | free (darkness1); |
| 2025 | |
2038 | |
| 2026 | EXTEND (SP, 3); |
2039 | EXTEND (SP, 3); |
| 2027 | PUSHs (sv_2mortal (newSViv (sw4))); |
2040 | PUSHs (sv_2mortal (newSViv (sw34))); |
| 2028 | PUSHs (sv_2mortal (newSViv (sh))); |
2041 | PUSHs (sv_2mortal (newSViv (sh3))); |
| 2029 | PUSHs (darkness_sv); |
2042 | PUSHs (darkness3_sv); |
| 2030 | } |
2043 | } |
| 2031 | |
2044 | |
| 2032 | SV * |
2045 | SV * |
| 2033 | get_rect (CFPlus::Map self, int x0, int y0, int w, int h) |
2046 | get_rect (CFPlus::Map self, int x0, int y0, int w, int h) |
| 2034 | CODE: |
2047 | CODE: |
