90 lines
2.9 KiB
C++
90 lines
2.9 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2023 tildearrow and contributors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "gui.h"
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#include "imgui_internal.h"
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void FurnaceGUI::drawImage(ImDrawList* dl, FurnaceGUIImages image, const ImVec2& pos, const ImVec2& scale, double rotate, const ImVec2& uvMin, const ImVec2& uvMax, const ImVec4& imgColor) {
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FurnaceGUIImage* imgI=getImage(image);
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SDL_Texture* img=getTexture(image);
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ImVec2 rectMin=ImVec2(
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-imgI->width*0.5*scale.x,
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-imgI->height*0.5*scale.y
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);
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ImVec2 rectMax=ImVec2(
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-rectMin.x,
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-rectMin.y
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);
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ImVec2 posAbs=ImVec2(
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pos.x*canvasW,
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pos.y*canvasH
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);
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ImVec2 quad0=ImVec2(
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posAbs.x+rectMin.x*cos(rotate)-rectMin.y*sin(rotate),
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posAbs.y+rectMin.x*sin(rotate)+rectMin.y*cos(rotate)
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);
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ImVec2 quad1=ImVec2(
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posAbs.x+rectMax.x*cos(rotate)-rectMin.y*sin(rotate),
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posAbs.y+rectMax.x*sin(rotate)+rectMin.y*cos(rotate)
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);
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ImVec2 quad2=ImVec2(
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posAbs.x+rectMax.x*cos(rotate)-rectMax.y*sin(rotate),
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posAbs.y+rectMax.x*sin(rotate)+rectMax.y*cos(rotate)
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);
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ImVec2 quad3=ImVec2(
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posAbs.x+rectMin.x*cos(rotate)-rectMax.y*sin(rotate),
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posAbs.y+rectMin.x*sin(rotate)+rectMax.y*cos(rotate)
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);
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ImVec2 uv0=ImVec2(uvMin.x,uvMin.y);
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ImVec2 uv1=ImVec2(uvMax.x,uvMin.y);
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ImVec2 uv2=ImVec2(uvMax.x,uvMax.y);
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ImVec2 uv3=ImVec2(uvMin.x,uvMax.y);
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ImU32 colorConverted=ImGui::GetColorU32(imgColor);
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dl->AddImageQuad(img,quad0,quad1,quad2,quad3,uv0,uv1,uv2,uv3,colorConverted);
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}
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void FurnaceGUI::drawIntro() {
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if (introPos<7.0) {
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WAKE_UP;
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nextWindow=GUI_WINDOW_NOTHING;
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introPos+=ImGui::GetIO().DeltaTime;
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ImGui::SetNextWindowPos(ImVec2(0,0));
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ImGui::SetNextWindowSize(ImVec2(canvasW,canvasH));
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if (ImGui::Begin("Intro",NULL,ImGuiWindowFlags_Modal)) {
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ImDrawList* dl=ImGui::GetForegroundDrawList();
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ImVec2 top=ImVec2(0.0f,0.0f);
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ImVec2 bottom=ImVec2(canvasW,canvasH);
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ImU32 bgColor=ImGui::GetColorU32(ImVec4(0.0f,0.0f,0.0f,1.0f));
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dl->AddRectFilled(top,bottom,bgColor);
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dl->AddText(top,0xffffffff,"Furnace intro - work in progress");
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drawImage(dl,GUI_IMAGE_TALOGO,ImVec2(0.5,0.5),ImVec2(1.0,1.0),introPos,ImVec2(0.0,0.0),ImVec2(1.0,1.0),ImVec4(1.0,1.0,1.0,1.0));
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}
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ImGui::End();
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}
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}
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