X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fyoink;a=blobdiff_plain;f=src%2FHud.cc;fp=src%2FHud.cc;h=ea0dfeaef564202a32af2e569fa847501d7354a8;hp=0000000000000000000000000000000000000000;hb=bfa6212d09d8735d8fd5e2638188e4a99f21ada4;hpb=eebb993ca929c3f4c235cad9e01dc4797fcd2945 diff --git a/src/Hud.cc b/src/Hud.cc new file mode 100644 index 0000000..ea0dfea --- /dev/null +++ b/src/Hud.cc @@ -0,0 +1,176 @@ + +/******************************************************************************* + + Copyright (c) 2009, Charles McGarvey + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +*******************************************************************************/ + +#include + +#include "Hud.hh" + +#include + + +ProgressBar::ProgressBar(const Mf::Tilemap& tilemap, Mf::Tilemap::Index index) : + progress_(0.0), + tilemap_(tilemap) +{ + tilemap.getTileCoords(index, texCoords_); + + Mf::Scalar half = (texCoords_[2] - texCoords_[0]) / 2.0 + texCoords_[0]; + midCoords_[0] = half - 0.01; + midCoords_[1] = half + 0.01; +} + +void ProgressBar::resize(const Mf::Rectangle& rect) +{ + Mf::Scalar height = rect.max[1] - rect.min[1]; + Mf::Scalar halfHeight = height / 2.0; + + width_ = rect.max[0] - rect.min[0] - height; + // assert width > 0 + + vertices_[0] = rect.min; + vertices_[1] = Mf::Vector2(rect.min[0] + halfHeight, rect.min[1]); + vertices_[2] = vertices_[1]; + vertices_[3] = Mf::Vector2(rect.min[0] + height, rect.min[1]); + vertices_[4] = Mf::Vector2(rect.min[0] + height, rect.max[1]); + vertices_[5] = Mf::Vector2(rect.min[0] + halfHeight, rect.max[1]); + vertices_[6] = vertices_[5]; + vertices_[7] = Mf::Vector2(rect.min[0], rect.max[1]); + + setProgress(progress_); +} + +void ProgressBar::setProgress(Mf::Scalar progress) +{ + Mf::Scalar halfHeight = (vertices_[7][1] - vertices_[0][1]) / 2.0; + + vertices_[2][0] = vertices_[1][0] + progress * width_; + vertices_[3][0] = vertices_[1][0] + progress * width_ + halfHeight; + vertices_[4][0] = vertices_[1][0] + progress * width_ + halfHeight; + vertices_[5][0] = vertices_[1][0] + progress * width_; + + progress_ = progress; +} + +void ProgressBar::draw(Mf::Scalar alpha) const +{ + if (Mf::isEqual(progress_, 0.0)) + { + // don't draw anything if the progress is 0% + return; + } + + glColor4f(1.0f, 1.0f, 1.0f, 0.85f); + tilemap_.bind(); + + glBegin(GL_QUADS); + glTexCoord2(texCoords_[0], texCoords_[1]); + glVertex2v(vertices_[0].data()); + glTexCoord2(midCoords_[0], texCoords_[3]); + glVertex2v(vertices_[1].data()); + glTexCoord2(midCoords_[0], texCoords_[5]); + glVertex2v(vertices_[6].data()); + glTexCoord2(texCoords_[6], texCoords_[7]); + glVertex2v(vertices_[7].data()); + + glTexCoord2(midCoords_[0], texCoords_[1]); + glVertex2v(vertices_[1].data()); + glTexCoord2(midCoords_[1], texCoords_[3]); + glVertex2v(vertices_[2].data()); + glTexCoord2(midCoords_[1], texCoords_[5]); + glVertex2v(vertices_[5].data()); + glTexCoord2(midCoords_[0], texCoords_[7]); + glVertex2v(vertices_[6].data()); + + glTexCoord2(midCoords_[1], texCoords_[1]); + glVertex2v(vertices_[2].data()); + glTexCoord2(texCoords_[2], texCoords_[3]); + glVertex2v(vertices_[3].data()); + glTexCoord2(texCoords_[4], texCoords_[5]); + glVertex2v(vertices_[4].data()); + glTexCoord2(midCoords_[1], texCoords_[7]); + glVertex2v(vertices_[5].data()); + glEnd(); +} + + +Hud::Hud() : + bar1_(Mf::Tilemap("StatusBars"), 0), + bar2_(Mf::Tilemap("StatusBars"), 2), + font_("Font") +{ + resize(800, 600); +} + + +void Hud::resize(int width, int height) +{ + cml::matrix_orthographic_RH( projection_, + 0.0, + Mf::Scalar(width), 0.0, Mf::Scalar(height), + 1.0, -1.0, cml::z_clip_neg_one); + + // position the two progress bars at the top-left of the screen + bar1_.resize(Mf::Rectangle(20, height - 51, + 0.7 * width, height - 3)); + bar2_.resize(Mf::Rectangle(20, height - 28, + 0.7 * width, height - 70)); + + setBar1Progress(0.05); + setBar2Progress(0.0); +} + + +void Hud::draw(Mf::Scalar alpha) const +{ + glMatrixMode(GL_PROJECTION); + glPushMatrix(); + glLoadMatrix(projection_.data()); + + glMatrixMode(GL_MODELVIEW); + glPushMatrix(); + glLoadIdentity(); + + glDisable(GL_DEPTH_TEST); + glEnable(GL_BLEND); + + bar1_.draw(); + bar2_.draw(); + + glDisable(GL_BLEND); + glEnable(GL_DEPTH_TEST); + + glMatrixMode(GL_PROJECTION); + glPopMatrix(); + + glMatrixMode(GL_MODELVIEW); + glPopMatrix(); +} + + +/** vim: set ts=4 sw=4 tw=80: *************************************************/ +