fix critical bug

example/source/main.cpp

@@ -2,46 +2,6 @@
 
 #include "amethyst/iron.hpp"
 
-const char* shader_ = R"(; Example PICA200 vertex shader
-
-; Uniforms
-.fvec projection[4]
-
-; Constants
-.constf myconst(0.0, 1.0, -1.0, 0.1)
-.constf myconst2(0.3, 0.0, 0.0, 0.0)
-.alias  zeros myconst.xxxx ; Vector full of zeros
-.alias  ones  myconst.yyyy ; Vector full of ones
-
-; Outputs
-.out outpos position
-.out outclr color
-
-; Inputs (defined as aliases for convenience)
-.alias inpos v0
-.alias inclr v1
-
-.bool test
-
-.proc main
-	; Force the w component of inpos to be 1.0
-	mov r0.xyz, inpos
-	mov r0.w,   ones
-
-	; outpos = projectionMatrix * inpos
-	dp4 outpos.x, projection[0], r0
-	dp4 outpos.y, projection[1], r0
-	dp4 outpos.z, projection[2], r0
-	dp4 outpos.w, projection[3], r0
-
-	; outclr = inclr
-	mov outclr, inclr
-
-	; We're finished
-	end
-.end
-)";
-
 class example : public amy::app {
  public:
   example() {
@@ -52,6 +12,15 @@ class example : public amy::app {
     amy::iron::init();
     dl = new amy::iron::drawlist();
     dl->drawSolid();
+    auto cmd = std::make_unique<amy::iron::command>();
+    cmd->index = 0;
+    cmd->layer = 0;
+    cmd->tex = amy::iron::whiteTex();
+    cmd->add(0).add(1).add(2);
+    cmd->add(amy::iron::vertex(200, 50, 0, 0, 0xff0000ff));
+    cmd->add(amy::iron::vertex(100, 190, 0, 0, 0xff00ff00));
+    cmd->add(amy::iron::vertex(300, 190, 0, 0, 0xffff0000));
+    cmdl.push_back(std::move(cmd));
     //  throw std::runtime_error(std::format(
     //      "solid tex: {:#08x}\nsize: {}\nptr: {:#08x}",
     //      (amy::ui)amy::iron::whiteTex(), amy::iron::whiteTex()->size(),
@@ -66,17 +35,19 @@ class example : public amy::app {
     amy::c3d::startFrame();
     m_top->startDraw();
     m_top->clear();
-    dl->drawRectFilled(0, 50, 0xff00ff00);
+    // dl->drawRectFilled(0, 50, 0xff00ff00);
     amy::iron::newFrame();
     amy::iron::drawOn(m_top);
-    amy::iron::draw(dl->data());
-    dl->clear();
+    // amy::iron::draw(dl->data());
+    amy::iron::draw(cmdl);
+    // dl->clear();
     amy::c3d::endFrame();
   }
 
  private:
   amy::c3d::screen* m_top = nullptr;
   amy::iron::drawlist* dl = nullptr;
+  std::vector<amy::iron::command::ref> cmdl;
 };
 
 int main() {

source/iron/iron.cpp

@@ -1,4 +1,5 @@
 #include <amethyst/iron.hpp>
+#include <fstream>
 #include <iostream>
 
 #define catch2()                                                        \
@@ -108,10 +109,10 @@ void iron::draw(const std::vector<iron::command::ref>& data) {
       auto c = data[i].get();
 
       for (int j = 0; j < c->indexBuf.size(); j++) {
-        m_ibuf[m_idx++] = m_vtx + c->indexBuf[i];
+        m_ibuf[m_idx++] = m_vtx + c->indexBuf[j];
       }
       for (int j = 0; j < c->vertexBuf.size(); j++) {
-        m_vbuf[m_vtx++] = c->vertexBuf[i];
+        m_vbuf[m_vtx++] = c->vertexBuf[j];
       }
       i++;
     }