"streamlined" model/VAO handling

[blank.git] / src / graphics / render.cpp

diff --git a/src/graphics/render.cpp b/src/graphics/render.cpp
index 1a6d1abd80c124e7367969b863b84771ffc6b40b..f78f9cb6f77fc2b92f1e5e7ad3b137cda65c4aed 100644 (file)
--- a/src/graphics/render.cpp
+++ b/src/graphics/render.cpp
@@ -1,6 +1,8 @@
 #include "BlendedSprite.hpp"
+#include "FixedText.hpp"
 #include "Font.hpp"
 #include "Format.hpp"
+#include "MessageBox.hpp"
 #include "Text.hpp"
 #include "Texture.hpp"
 #include "Viewport.hpp"
@@ -158,16 +160,70 @@ void Format::ReadPixelFormat(const SDL_PixelFormat &fmt) {
 }
 
 
+MessageBox::MessageBox(const Font &f)
+: font(f)
+, lines()
+, max_lines(10)
+, pos(0.0f)
+, adv(0.0f, font.LineSkip(), 0.0f)
+, bg(1.0f, 1.0f, 1.0f, 0.0f)
+, fg(1.0f, 1.0f, 1.0f, 1.0f)
+, grav(Gravity::NORTH_WEST) {
+
+}
+
+void MessageBox::Position(const glm::vec3 &p, Gravity g) noexcept {
+       pos = p;
+       grav = g;
+       if (get_y(g) == Align::END) {
+               adv.y = -font.LineSkip();
+       } else {
+               adv.y = font.LineSkip();
+       }
+       for (Text &txt : lines) {
+               txt.Pivot(g);
+       }
+}
+
+void MessageBox::PushLine(const char *text) {
+       lines.emplace_front();
+       Text &txt = lines.front();
+       txt.Set(font, text);
+       txt.Pivot(grav);
+
+       while (lines.size() > max_lines) {
+               lines.pop_back();
+       }
+}
+
+void MessageBox::Render(Viewport &viewport) noexcept {
+       BlendedSprite &prog = viewport.SpriteProgram();
+       prog.SetBG(bg);
+       prog.SetFG(fg);
+       viewport.SetCursor(pos, grav);
+       for (Text &txt : lines) {
+               prog.SetM(viewport.Cursor());
+               txt.Render(viewport);
+               viewport.MoveCursor(adv);
+       }
+}
+
+
 Text::Text() noexcept
 : tex()
 , sprite()
+, size(0.0f)
+, pivot(Gravity::NORTH_WEST)
+, dirty(false) {
+
+}
+
+FixedText::FixedText() noexcept
+: Text()
 , bg(1.0f, 1.0f, 1.0f, 0.0f)
 , fg(1.0f, 1.0f, 1.0f, 1.0f)
-, size(0.0f)
 , pos(0.0f)
 , grav(Gravity::NORTH_WEST)
-, pivot(Gravity::NORTH_WEST)
-, dirty(false)
 , visible(false) {
 
 }
@@ -178,21 +234,33 @@ void Text::Set(const Font &font, const char *text) {
        dirty = true;
 }
 
+namespace {
+
+SpriteModel::Buffer sprite_buf;
+
+}
+
 void Text::Update() {
-       sprite.LoadRect(size.x, size.y, align(pivot, size));
+       sprite_buf.LoadRect(size.x, size.y, align(pivot, size));
+       sprite.Update(sprite_buf);
        dirty = false;
 }
 
+void FixedText::Render(Viewport &viewport) noexcept {
+       BlendedSprite &prog = viewport.SpriteProgram();
+       viewport.SetCursor(pos, grav);
+       prog.SetM(viewport.Cursor());
+       prog.SetBG(bg);
+       prog.SetFG(fg);
+       Text::Render(viewport);
+}
+
 void Text::Render(Viewport &viewport) noexcept {
        if (dirty) {
                Update();
        }
        BlendedSprite &prog = viewport.SpriteProgram();
-       viewport.SetCursor(pos, grav);
-       prog.SetM(viewport.Cursor());
        prog.SetTexture(tex);
-       prog.SetBG(bg);
-       prog.SetFG(fg);
        sprite.Draw();
 }