90 lines
3.9 KiB
C++
90 lines
3.9 KiB
C++
#include "EterLib/StdAfx.h"
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#include "UIRenderCommands.h"
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#include "RenderCommands3D.h"
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#include "EterLib/StateManager.h"
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#include <algorithm>
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namespace {
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std::vector<UIRenderCommand> commands;
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std::uint64_t frame_id = 0;
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int canvas_width = 0;
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int canvas_height = 0;
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float clip_x1 = 0, clip_y1 = 0, clip_x2 = 0, clip_y2 = 0;
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float saved_x1 = 0, saved_y1 = 0, saved_x2 = 0, saved_y2 = 0;
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}
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void UIRenderSetSize(int width, int height) { canvas_width = width; canvas_height = height; }
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void UIRenderGetSize(unsigned* width, unsigned* height) {
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if (width) *width = canvas_width;
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if (height) *height = canvas_height;
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}
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void UIRenderBeginFrame() {
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++frame_id;
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commands.clear();
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clip_x1 = clip_y1 = 0;
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clip_x2 = canvas_width;
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clip_y2 = canvas_height;
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}
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std::uint64_t UIRenderFrameId() { return frame_id; }
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void UIRenderAdd(UIRenderCommand command) {
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command.clip_x1 = clip_x1; command.clip_y1 = clip_y1;
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command.clip_x2 = clip_x2; command.clip_y2 = clip_y2;
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command.behind_3d = Render3DDraws().empty();
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commands.push_back(command);
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}
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const std::vector<UIRenderCommand>& UIRenderCommands() { return commands; }
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void UIRenderSetClip(float x, float y, float width, float height) {
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saved_x1 = clip_x1; saved_y1 = clip_y1; saved_x2 = clip_x2; saved_y2 = clip_y2;
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clip_x1 = x; clip_y1 = y;
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clip_x2 = x + width; clip_y2 = y + height;
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}
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void UIRenderRestoreClip() {
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clip_x1 = saved_x1; clip_y1 = saved_y1;
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clip_x2 = saved_x2; clip_y2 = saved_y2;
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}
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void UIRenderAddImage(const CGraphicTexture* texture, const float x[4], const float y[4],
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float su, float sv, float eu, float ev, std::uint32_t argb, int blend) {
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// 40250 draws the image quad through the device: the UI pass's world transform places it
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// (identity except where a caller sets one, e.g. CPythonMiniMap::RenderAtlas's window offset) and a
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// stage-0 MODULATE with D3DTA_TFACTOR tints it (the atlas's NPC/warp/waypoint marks).
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D3DXMATRIX world;
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D3DXMatrixIdentity(&world);
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if (CStateManager* state = CStateManager::InstancePtr()) {
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state->GetTransform(D3DTS_WORLD, &world);
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DWORD op = 0, arg1 = 0, arg2 = 0;
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state->GetTextureStageState(0, D3DTSS_COLOROP, &op);
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state->GetTextureStageState(0, D3DTSS_COLORARG1, &arg1);
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state->GetTextureStageState(0, D3DTSS_COLORARG2, &arg2);
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if (op == D3DTOP_MODULATE && (arg1 == D3DTA_TFACTOR || arg2 == D3DTA_TFACTOR)) {
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// TFACTOR x TEXTURE drops the vertex colour; TFACTOR x DIFFUSE scales it. The canvas
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// multiplies the texture in.
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const std::uint32_t factor = state->GetRenderState(D3DRS_TEXTUREFACTOR) & 0x00FFFFFFu;
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const DWORD other = arg1 == D3DTA_TFACTOR ? arg2 : arg1;
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if (other == D3DTA_DIFFUSE) {
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std::uint32_t tinted = argb & 0xFF000000u;
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for (int shift = 0; shift < 24; shift += 8)
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tinted |= ((((argb >> shift) & 255) * ((factor >> shift) & 255) + 127) / 255) << shift;
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argb = tinted;
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} else {
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argb = (argb & 0xFF000000u) | factor;
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}
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}
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}
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UIRenderCommand command{UIRenderCommand::Image, 0, 0, 0, 0, argb};
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for (int i = 0; i < 4; ++i) {
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command.qx[i] = x[i] * world._11 + y[i] * world._21 + world._41 + 0.5f;
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command.qy[i] = x[i] * world._12 + y[i] * world._22 + world._42 + 0.5f;
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}
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command.x1 = std::min({command.qx[0], command.qx[1], command.qx[2], command.qx[3]});
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command.y1 = std::min({command.qy[0], command.qy[1], command.qy[2], command.qy[3]});
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command.x2 = std::max({command.qx[0], command.qx[1], command.qx[2], command.qx[3]});
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command.y2 = std::max({command.qy[0], command.qy[1], command.qy[2], command.qy[3]});
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command.text = UIRenderTextureName(texture);
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command.quad = true;
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command.su = su; command.sv = sv; command.eu = eu; command.ev = ev;
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command.blend = blend;
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UIRenderAdd(std::move(command));
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}
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