mirror of
https://github.com/wiidev/usbloadergx.git
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127 lines
3.2 KiB
C++
127 lines
3.2 KiB
C++
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/*
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Copyright (c) 2010 - Wii Banner Player Project
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Copyright (c) 2012 - Dimok
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*/
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#include "QuadPane.h"
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#include "Layout.h"
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void QuadPane::Load(QuadPane::Header* file)
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{
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if(!file)
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return;
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header = file;
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tex_coords = (const TexCoords *) (header+1);
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}
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inline void QuadPane::SetVertex(int ind, float x, float y, u8 render_alpha) const
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{
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// position
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GX_Position3f32(x, y, 0.f);
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const GXColor &vertex_color = header->vertex_colors[ind];
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// color
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GX_Color4u8(vertex_color.r, vertex_color.g, vertex_color.b,
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MultiplyAlpha(vertex_color.a, render_alpha));
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// texture coord
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for(u32 i = 0; i < header->tex_coord_count; i++)
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GX_TexCoord2f32(tex_coords[i].coords[ind].s, tex_coords[i].coords[ind].t);
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}
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static inline bool IsModulateColor(GXColor *colors, u8 render_alpha)
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{
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if(render_alpha != 0xFF)
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return true;
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u32 *colorPtr = (u32 *) colors;
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for(int i = 0; i < 4; ++i)
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{
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if(colorPtr[i] != 0xFFFFFFFF)
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return true;
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}
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return false;
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}
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void QuadPane::Draw(const BannerResources& resources, u8 render_alpha, const float ws_scale, Mtx &modelview, u16 material_index, u8 texture_flip) const
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{
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if(!header)
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return;
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if (material_index < resources.materials.size())
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{
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bool modulate_color = IsModulateColor(header->vertex_colors, render_alpha);
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resources.materials[material_index]->Apply(resources, render_alpha, modulate_color);
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}
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Mtx m, mv;
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guMtxIdentity (m);
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guMtxTransApply(m,m, -0.5f * GetOriginX(), -0.5f * GetOriginY(), 0.f);
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guMtxScaleApply(m,m, GetWidth(), GetHeight(), 1.f);
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guMtxConcat (modelview, m, mv);
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GX_LoadPosMtxImm (mv, GX_PNMTX0);
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GX_ClearVtxDesc();
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GX_InvVtxCache();
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GX_SetVtxDesc(GX_VA_POS, GX_DIRECT);
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GX_SetVtxDesc(GX_VA_CLR0, GX_DIRECT);
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for(u32 i = 0; i < header->tex_coord_count; i++)
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GX_SetVtxDesc(GX_VA_TEX0+i, GX_DIRECT);
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GX_Begin(GX_QUADS, GX_VTXFMT0, 4);
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if(texture_flip)
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{
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SetVertex(0, 0.f, 0.f, render_alpha);
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SetVertex(1, 1.f, 0.f, render_alpha);
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SetVertex(3, 1.f, 1.f, render_alpha);
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SetVertex(2, 0.f, 1.f, render_alpha);
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}
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else
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{
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SetVertex(2, 0.f, 0.f, render_alpha);
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SetVertex(3, 1.f, 0.f, render_alpha);
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SetVertex(1, 1.f, 1.f, render_alpha);
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SetVertex(0, 0.f, 1.f, render_alpha);
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}
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GX_End();
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}
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void QuadPane::ProcessHermiteKey(const KeyType& type, float value)
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{
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if (type.type == ANIMATION_TYPE_VERTEX_COLOR) // vertex color
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{
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if (type.target < 0x10)
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{
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// vertex colors
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(&header->vertex_colors->r)[type.target] = FLOAT_2_U8(value);
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return;
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}
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}
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Base::ProcessHermiteKey(type, value);
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}
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