mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-11-28 06:04:16 +01:00
217 lines
6.6 KiB
C++
217 lines
6.6 KiB
C++
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#include "cursor.hpp"
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#include "pngu.h"
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#include "memory/mem2.hpp"
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#include <algorithm>
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using namespace std;
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extern const u8 player1_point_png[];
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extern const u8 player2_point_png[];
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extern const u8 player3_point_png[];
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extern const u8 player4_point_png[];
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static inline u32 coordsI8(u32 x, u32 y, u32 w)
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{
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return (((y >> 2) * (w >> 3) + (x >> 3)) << 5) + ((y & 3) << 3) + (x & 7);
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}
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static inline u32 coordsRGBA8(u32 x, u32 y, u32 w)
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{
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return ((((y >> 2) * (w >> 2) + (x >> 2)) << 5) + ((y & 3) << 2) + (x & 3)) << 1;
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}
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bool CCursor::init(const char *png, bool wideFix, CColor shadowColor, float shadowX, float shadowY, bool blur, int chan)
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{
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bool ok = true;
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bool shadow = shadowColor.a > 0;
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m_wideFix = wideFix;
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m_x = -1;
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m_y = -1;
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if (STexture::TE_OK != m_texture.fromImageFile(png))
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{
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if (chan == 0)
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ok = STexture::TE_OK == m_texture.fromPNG(player1_point_png);
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else if (chan == 1)
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ok = STexture::TE_OK == m_texture.fromPNG(player2_point_png);
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else if (chan == 2)
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ok = STexture::TE_OK == m_texture.fromPNG(player3_point_png);
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else if (chan == 3)
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ok = STexture::TE_OK == m_texture.fromPNG(player4_point_png);
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}
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if (ok && shadow)
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{
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m_shadowColor = shadowColor;
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m_shadowX = shadowX;
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m_shadowY = shadowY;
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m_shadow.width = m_texture.width;
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m_shadow.height = m_texture.height;
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m_shadow.maxLOD = 0;
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m_shadow.format = GX_TF_I8;
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m_shadow.data = (u8*)MEM2_alloc(GX_GetTexBufferSize(m_shadow.width, m_shadow.height, m_shadow.format, GX_FALSE, 0));
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if(m_shadow.data != NULL)
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{
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const u8 *src = m_texture.data;
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u8 *dst = m_shadow.data;
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u32 w = m_shadow.width;
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for (u32 yy = 0; yy < m_shadow.height; ++yy)
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for (u32 xx = 0; xx < m_shadow.width; ++xx)
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dst[coordsI8(xx, yy, w)] = src[coordsRGBA8(xx, yy, w)];
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if (blur) _blur();
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}
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}
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return ok;
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}
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void CCursor::draw(int x, int y, float a)
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{
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GXTexObj texObj;
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float w = (float)m_texture.width * 0.5f;
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float h = (float)m_texture.height * 0.5f;
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Mtx modelViewMtx;
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Vector3D v;
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float xScale = m_wideFix ? 0.75f : 1.f;
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m_x = x - m_texture.width / 2;
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m_y = y - m_texture.height / 2;
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//
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GX_SetNumChans(1);
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GX_ClearVtxDesc();
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GX_SetVtxDesc(GX_VA_POS, GX_DIRECT);
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GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_POS, GX_POS_XYZ, GX_F32, 0);
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GX_SetVtxDesc(GX_VA_CLR0, GX_DIRECT);
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GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_CLR0, GX_CLR_RGBA, GX_RGBA8, 0);
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GX_SetVtxDesc(GX_VA_TEX0, GX_DIRECT);
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GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_TEX0, GX_TEX_ST, GX_F32, 0);
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GX_SetNumTexGens(1);
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GX_SetTevOp(GX_TEVSTAGE0, GX_MODULATE);
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GX_SetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR0A0);
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GX_SetTexCoordGen(GX_TEXCOORD0, GX_TG_MTX2x4, GX_TG_TEX0, GX_IDENTITY);
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GX_SetBlendMode(GX_BM_BLEND, GX_BL_SRCALPHA, GX_BL_INVSRCALPHA, GX_LO_CLEAR);
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GX_SetAlphaUpdate(GX_TRUE);
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GX_SetCullMode(GX_CULL_NONE);
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GX_SetZMode(GX_DISABLE, GX_LEQUAL, GX_TRUE);
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// Shadow
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if(m_shadow.data != NULL)
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{
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guMtxIdentity(modelViewMtx);
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guMtxTransApply(modelViewMtx, modelViewMtx, (float)x - w + m_shadowX * xScale, (float)y - h + m_shadowY, 0.f);
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GX_LoadPosMtxImm(modelViewMtx, GX_PNMTX0);
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GX_InitTexObj(&texObj, m_shadow.data, m_shadow.width, m_shadow.height, m_shadow.format, GX_CLAMP, GX_CLAMP, GX_FALSE);
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GX_LoadTexObj(&texObj, GX_TEXMAP0);
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GX_Begin(GX_QUADS, GX_VTXFMT0, 4);
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v = Vector3D(w, h, 0.f).rotateZ(a);
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GX_Position3f32(v.x * xScale, v.y, v.z);
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GX_Color4u8(m_shadowColor.r, m_shadowColor.g, m_shadowColor.b, m_shadowColor.a);
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GX_TexCoord2f32(1.f, 1.f);
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v = Vector3D(-w, h, 0.f).rotateZ(a);
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GX_Position3f32(v.x * xScale, v.y, v.z);
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GX_Color4u8(m_shadowColor.r, m_shadowColor.g, m_shadowColor.b, m_shadowColor.a);
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GX_TexCoord2f32(0.f, 1.f);
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v = Vector3D(-w, -h, 0.f).rotateZ(a);
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GX_Position3f32(v.x * xScale, v.y, v.z);
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GX_Color4u8(m_shadowColor.r, m_shadowColor.g, m_shadowColor.b, m_shadowColor.a);
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GX_TexCoord2f32(0.f, 0.f);
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v = Vector3D(w, -h, 0.f).rotateZ(a);
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GX_Position3f32(v.x * xScale, v.y, v.z);
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GX_Color4u8(m_shadowColor.r, m_shadowColor.g, m_shadowColor.b, m_shadowColor.a);
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GX_TexCoord2f32(1.f, 0.f);
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GX_End();
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}
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//
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guMtxIdentity(modelViewMtx);
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guMtxTransApply(modelViewMtx, modelViewMtx, (float)x - w, (float)y - h, 0.f);
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GX_LoadPosMtxImm(modelViewMtx, GX_PNMTX0);
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GX_InitTexObj(&texObj, m_texture.data, m_texture.width, m_texture.height, m_texture.format, GX_CLAMP, GX_CLAMP, GX_FALSE);
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GX_LoadTexObj(&texObj, GX_TEXMAP0);
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GX_Begin(GX_QUADS, GX_VTXFMT0, 4);
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v = Vector3D(w, h, 0.f).rotateZ(a);
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GX_Position3f32(v.x * xScale, v.y, v.z);
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GX_Color4u8(0xFF, 0xFF, 0xFF, 0xFF);
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GX_TexCoord2f32(1.f, 1.f);
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v = Vector3D(-w, h, 0.f).rotateZ(a);
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GX_Position3f32(v.x * xScale, v.y, v.z);
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GX_Color4u8(0xFF, 0xFF, 0xFF, 0xFF);
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GX_TexCoord2f32(0.f, 1.f);
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v = Vector3D(-w, -h, 0.f).rotateZ(a);
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GX_Position3f32(v.x * xScale, v.y, v.z);
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GX_Color4u8(0xFF, 0xFF, 0xFF, 0xFF);
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GX_TexCoord2f32(0.f, 0.f);
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v = Vector3D(w, -h, 0.f).rotateZ(a);
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GX_Position3f32(v.x * xScale, v.y, v.z);
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GX_Color4u8(0xFF, 0xFF, 0xFF, 0xFF);
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GX_TexCoord2f32(1.f, 0.f);
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GX_End();
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}
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void CCursor::_blur(void)
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{
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int radius = 3;
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int w = m_shadow.width;
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int h = m_shadow.height;
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int div = 2 * radius + 1;
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u8 *pic = m_shadow.data;
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int sum;
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int yp;
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int yi;
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int pass = 2;
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s32 *xmin = (s32*)MEM2_alloc(w * sizeof(s32));
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s32 *xmax = (s32*)MEM2_alloc(w * sizeof(s32));
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s32 *ymin = (s32*)MEM2_alloc(h * sizeof(s32));
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s32 *ymax = (s32*)MEM2_alloc(h * sizeof(s32));
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u8 *r = (u8*)MEM2_alloc(m_shadow.width * m_shadow.height);
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if(!xmin || !xmax || !ymin || !ymax || !r)
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return;
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for (int i = 0; i < w; ++i)
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{
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xmax[i] = min(i + radius + 1, w - 1);
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xmin[i] = max(i - radius, 0);
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}
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for (int i = 0; i < h; ++i)
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{
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ymax[i] = min(i + radius + 1, h - 1) * w;
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ymin[i] = max(i - radius, 0) * w;
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}
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for (int k = 0; k < pass; ++k) // 2 passes for much better quality
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{
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yi = 0;
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for (int y = 0; y < h; ++y)
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{
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sum = 0;
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for (int i = -radius; i <= radius; ++i)
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sum += pic[coordsI8(min(max(0, i), w - 1), y, w)];
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for (int x = 0; x < w; ++x)
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{
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r[yi] = sum / div;
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sum += pic[coordsI8(xmax[x], y, w)];
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sum -= pic[coordsI8(xmin[x], y, w)];
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++yi;
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}
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}
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for (int x = 0; x < w; ++x)
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{
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sum = 0;
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yp = -radius * w;
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for (int i = -radius; i <= radius; ++i)
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{
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yi = max(0, yp) + x;
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sum += r[yi];
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yp += w;
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}
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yi = x;
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for (int y = 0; y < h; ++y)
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{
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pic[coordsI8(x, y, w)] = sum / div;
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sum += r[x + ymax[y]] - r[x + ymin[y]];
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yi += w;
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}
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}
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}
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free(xmin);
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free(xmax);
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free(ymin);
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free(ymax);
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free(r);
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}
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