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Backported editor from saland. It can be started with "--editor". Currently it is just a browser but I have already observed an issue with the current "bomb" sprite
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‎source/code/editor/SagoTextureSelector.cpp‎

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/*
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===========================================================================
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* Sago Multi Scrambler Puzzle
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Copyright (C) 2022-2024 Poul Sander
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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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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see http://www.gnu.org/licenses/
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Source information and contacts persons can be found at
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https://github.com/sago007/saland
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===========================================================================
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*/
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#include "SagoTextureSelector.hpp"
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#include <iostream>
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#include "imgui.h"
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#include "backends/imgui_impl_sdl2.h"
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#include "backends/imgui_impl_sdlrenderer2.h"
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#include <SDL_image.h>
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#include "../../sago/SagoMisc.hpp"
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#include "../global.hpp"
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class ChangeSDLColor
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{
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public:
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ChangeSDLColor(SDL_Renderer* renderer, Uint8 r, Uint8 g, Uint8 b, Uint8 a) : renderer(renderer) {
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SDL_GetRenderDrawColor(renderer, &oldr, &oldg, &oldb, &olda);
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SDL_SetRenderDrawColor(renderer, r, g, b, a);
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}
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ChangeSDLColor(SDL_Renderer* renderer) : renderer(renderer) {
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SDL_GetRenderDrawColor(renderer, &oldr, &oldg, &oldb, &olda);
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}
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void setRed() {
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SDL_SetRenderDrawColor(renderer, 255, 0, 0, SDL_ALPHA_OPAQUE);
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}
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void setYellow() {
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SDL_SetRenderDrawColor(renderer, 255, 255, 0, SDL_ALPHA_OPAQUE);
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}
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void reset() {
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SDL_SetRenderDrawColor(renderer, oldr, oldg, oldb, olda);
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}
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~ChangeSDLColor() {
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SDL_SetRenderDrawColor(renderer, oldr, oldg, oldb, olda);
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}
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private:
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SDL_Renderer* renderer;
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Uint8 oldr, oldg, oldb, olda;
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};
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static void addLinesToCanvas(SDL_Renderer* renderer, SDL_Texture* texture, int xstep = 32, int ystep = 32, int xoffset = 0, int yoffset = 0) {
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int width, height;
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SDL_QueryTexture(texture, nullptr, nullptr, &width, &height);
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Uint8 r, g, b, a;
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SDL_GetRenderDrawColor(renderer, &r, &g, &b, &a);
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if (xstep > 0) {
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for (int i = 0; i < width+1; i += xstep) {
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ImGui::GetWindowDrawList()->AddLine(ImVec2(i+xoffset, yoffset), ImVec2(i+xoffset, height+yoffset), IM_COL32(r, g, b, a));
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}
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}
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if (ystep > 0) {
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for (int i = 0; i < height+1; i += ystep) {
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ImGui::GetWindowDrawList()->AddLine(ImVec2(xoffset, i+yoffset), ImVec2(width+xoffset, i+yoffset), IM_COL32(r, g, b, a));
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}
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}
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}
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static void addRectableToCanvas(SDL_Renderer* renderer, int topx = 0, int topy = 0, int height = 100, int width = 100, int xoffset = 0, int yoffset = 0) {
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Uint8 r, g, b, a;
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SDL_GetRenderDrawColor(renderer, &r, &g, &b, &a);
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topx += xoffset;
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topy += yoffset;
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ImGui::GetWindowDrawList()->AddLine(ImVec2(topx, topy), ImVec2(topx+width, topy), IM_COL32(r, g, b, a));
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ImGui::GetWindowDrawList()->AddLine(ImVec2(topx+width, topy), ImVec2(topx+width, topy+height), IM_COL32(r, g, b, a));
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ImGui::GetWindowDrawList()->AddLine(ImVec2(topx+width, topy+height), ImVec2(topx, topy+height), IM_COL32(r, g, b, a));
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ImGui::GetWindowDrawList()->AddLine(ImVec2(topx, topy+height), ImVec2(topx, topy), IM_COL32(r, g, b, a));
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}
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static void addFolderToList(const std::string& folder, std::vector<std::string>& list, const std::string& filter = "") {
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std::vector<std::string> textures = sago::GetFileList(folder.c_str());
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for (const auto& texture : textures) {
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std::cout << "Texture: " << texture << "\n";
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if (texture.find(".png") == std::string::npos) {
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continue;
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}
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if (filter.empty() || texture.find(filter) != std::string::npos) {
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list.push_back(texture);
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}
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}
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}
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static std::vector<std::string> populateTree(const std::string& filter = "") {
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std::vector<std::string> textures;
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addFolderToList("textures", textures, filter);
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return textures;
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}
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std::string remove_file_extension(const std::string& filename) {
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size_t lastindex = filename.find_last_of(".");
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return filename.substr(0, lastindex);
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}
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static void ImGuiWritePartOfImage(SDL_Texture* texture, int topx, int topy, int w, int h) {
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int tex_w, tex_h;
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SDL_QueryTexture(texture, nullptr, nullptr, &tex_w, &tex_h);
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float sprite_w = w;
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float sprite_h = h;
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float topxf = topx;
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float topyf = topy;
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ImVec2 uv0 = ImVec2(topxf / tex_w, topyf / tex_h);
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ImVec2 uv1 = ImVec2((topxf + sprite_w) / tex_w, (topyf + sprite_h) / tex_h);
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ImGui::Image((ImTextureID)(intptr_t)texture, ImVec2((float)w, (float)h), uv0, uv1);
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}
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void SagoTextureSelector::runSpriteSelectorFrame(SDL_Renderer* target) {
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ImGui::Begin("SpriteList", nullptr, ImGuiWindowFlags_NoCollapse);
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static char filter[256] = "";
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ImGui::InputText("Filter", filter, IM_ARRAYSIZE(filter));
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ImGui::Separator();
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for (const auto& sprite : sprites) {
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std::string sprite_name = sprite.first;
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if (filter[0] == '\0' || sprite_name.find(filter) != std::string::npos) {
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if (ImGui::Selectable(sprite_name.c_str(), selected_sprite == sprite_name)) {
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selected_sprite = sprite_name;
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}
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}
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}
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ImGui::End();
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ImGui::Begin("SpriteViewer");
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if (selected_sprite.length()) {
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const SagoSprite& current_sprite = sprites[selected_sprite];
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SDL_Texture* current_texture = globalData.dataHolder->getTexturePtr(current_sprite.texture);
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ImGui::Text("Size: %d x %d", current_sprite.width, current_sprite.height);
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ImGui::BeginChild("Test");
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int offset = current_sprite.width * (SDL_GetTicks()/current_sprite.frame_time % current_sprite.number_of_frames);
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ImGuiWritePartOfImage(current_texture, current_sprite.topx+offset, current_sprite.topy, current_sprite.width, current_sprite.height);
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ImGui::EndChild();
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}
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ImGui::End();
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ImGui::Begin("SpriteTexture");
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if (selected_sprite.length() && sprites[selected_sprite].texture.length()) {
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int tex_w, tex_h;
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const SagoSprite& current_sprite = sprites[selected_sprite];
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SDL_Texture* current_texture = globalData.dataHolder->getTexturePtr(current_sprite.texture);
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SDL_QueryTexture(current_texture, nullptr, nullptr, &tex_w, &tex_h);
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ImGui::Text("Size: %d x %d", tex_w, tex_h);
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ImGui::BeginChild("Test");
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ImVec2 p = ImGui::GetCursorScreenPos();
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ImGui::Image((ImTextureID)(intptr_t)current_texture, ImVec2((float)tex_w, (float)tex_h));
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ChangeSDLColor color(target);
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color.setYellow();
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for (int i = 1; i < current_sprite.number_of_frames; i++) {
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addRectableToCanvas(target, current_sprite.topx+i*current_sprite.width, current_sprite.topy, current_sprite.height, current_sprite.width, p.x, p.y);
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}
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color.setRed();
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addRectableToCanvas(target, current_sprite.topx, current_sprite.topy, current_sprite.height, current_sprite.width, p.x, p.y);
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ImGui::EndChild();
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}
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ImGui::End();
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}
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void SagoTextureSelector::runTextureSelectorFrame(SDL_Renderer* target) {
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ImGui::Begin("TextureList", nullptr, ImGuiWindowFlags_NoCollapse);
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static char filter[256] = "";
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ImGui::InputText("Filter", filter, IM_ARRAYSIZE(filter));
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ImGui::Separator();
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for (const auto& texture : textures) {
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if (filter[0] == '\0' || texture.find(filter) != std::string::npos) {
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if (ImGui::Selectable(texture.c_str(), selected_texture == texture)) {
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selected_texture = texture;
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}
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}
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}
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ImGui::End();
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ImGui::Begin("TextureViewer");
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if (selected_texture.length()) {
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int tex_w, tex_h;
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SDL_Texture* current_texture = globalData.dataHolder->getTexturePtr(remove_file_extension(selected_texture));
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SDL_QueryTexture(current_texture, nullptr, nullptr, &tex_w, &tex_h);
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ImGui::Text("Size: %d x %d", tex_w, tex_h);
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ImGui::BeginChild("Test");
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ImVec2 p = ImGui::GetCursorScreenPos();
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ImGui::Image((ImTextureID)(intptr_t)current_texture, ImVec2((float)tex_w, (float)tex_h));
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ChangeSDLColor color(target);
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color.setRed();
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addLinesToCanvas(target, current_texture, 32, 32, p.x, p.y);
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ImGui::EndChild();
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}
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ImGui::End();
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}
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SagoTextureSelector::SagoTextureSelector() {
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}
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SagoTextureSelector::~SagoTextureSelector() {
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}
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bool SagoTextureSelector::IsActive() {
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return isActive;
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}
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void SagoTextureSelector::ProcessInput(const SDL_Event& event, bool &processed) {
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ImGui_ImplSDL2_ProcessEvent(&event);
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}
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void SagoTextureSelector::Draw(SDL_Renderer* target) {
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runTextureSelectorFrame(target);
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runSpriteSelectorFrame(target);
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}
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void SagoTextureSelector::Update() {
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}
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void SagoTextureSelector::Init() {
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textures = populateTree();
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sprites = LoadSprites();
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}

‎source/code/editor/SagoTextureSelector.hpp‎

Lines changed: 52 additions & 0 deletions
Original file line numberDiff line numberDiff line change
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/*
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===========================================================================
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* Sago Multi Scrambler Puzzle
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Copyright (C) 2022 Poul Sander
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6+
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
8+
the Free Software Foundation, either version 2 of the License, or
9+
(at your option) any later version.
10+
11+
This program is distributed in the hope that it will be useful,
12+
but WITHOUT ANY WARRANTY; without even the implied warranty of
13+
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14+
GNU General Public License for more details.
15+
16+
You should have received a copy of the GNU General Public License
17+
along with this program. If not, see http://www.gnu.org/licenses/
18+
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Source information and contacts persons can be found at
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https://github.com/sago007/saland
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===========================================================================
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*/
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#include "../../sago/GameStateInterface.hpp"
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#include <vector>
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#include <string>
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#include "editor_loader.hpp"
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#pragma once
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class SagoTextureSelector : public sago::GameStateInterface {
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public:
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SagoTextureSelector();
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SagoTextureSelector(const SagoTextureSelector& orig) = delete;
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virtual ~SagoTextureSelector();
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bool IsActive() override;
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void ProcessInput(const SDL_Event& event, bool &processed) override;
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void Draw(SDL_Renderer* target) override;
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void Update() override;
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void Init();
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void runTextureSelectorFrame(SDL_Renderer* target);
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void runSpriteSelectorFrame(SDL_Renderer* target);
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private:
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bool isActive = true;
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std::vector<std::string> textures;
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std::map<std::string,SagoSprite> sprites;
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std::string selected_texture;
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std::string selected_sprite;
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};

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