Remake rockets into grenades.

1 files changed, 103 insertions, 0 deletions

diff --git a/src/game/grenade.cpp b/src/game/grenade.cpp
new file mode 100644
index 0000000..e6a44c9
--- /dev/null
+++ b/src/game/grenade.cpp
@@ -0,0 +1,103 @@
+/*
+This file is part of Minitrem.
+
+Minitrem is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+Minitrem is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Minitrem.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "game.hpp"
+
+namespace game {
+
+void grenade_t::compute_bounds(void)
+{
+	v2f_t x_p3d;
+
+	x_p3d = x + v2f_t(0.0f, -0.3f * z);
+	cmodel.bounds[0] = x_p3d - size[0];
+	cmodel.bounds[1] = x_p3d - size[1];
+	render_bounds[0] = x_p3d - render_size[0];
+	render_bounds[1] = x_p3d - render_size[1];
+}
+
+grenade_t::grenade_t(game::state_t *game, v2f_t x_, v2f_t target, unit_t *shooter_) : entity_t(game, ET_ROCKET)
+{
+	x = x_;
+	v = (target - x) * 1.5f;
+
+	z = 0.7f;
+	v_z = 5.0f;
+
+	size = rectf_t(v2f_t(-0.1f, -0.1f), v2f_t(0.1f, 0.1f));
+	render_size = size;
+	cmodel.cflags = CF_BACKGROUND;
+
+	explosion_time = game->time + SEC(3);
+
+	wake();
+}
+
+void grenade_t::on_spawn(void)
+{
+}
+
+void grenade_t::on_think(void)
+{
+	v2f_t end;
+	world::trace_t trace;
+
+	if (game->time >= explosion_time) {
+		cmodel.ignore = true;
+		game->explosion(x);
+		delete this;
+		return;
+	}
+
+	if (z + pow(v_z, 2) < 0.01f)
+		return;
+
+	end = x + v * game->dt;
+
+	trace = world->ray_v_all(x, end, CF_SOLID, shooter);
+	x = trace.end;
+
+	v_z += -10.0f * game->dt;
+	z += v_z * game->dt;
+	if (z < 0.0f) {
+		trace = world->ray_v_tiles(x, x, CF_WATER);
+		if (trace.hit) {
+			fx_bullet_miss_t *bullet_miss;
+
+			bullet_miss = new fx_bullet_miss_t(game, trace.end, true);
+			bullet_miss->place(world);
+
+			delete this;
+			return;
+		}
+
+		z *= -1.0f;
+		v_z *= -0.4f;
+
+		assets::soldier.grenade_bounce.play_3d(x);
+	}
+
+	compute_bounds();
+	place(world);
+}
+
+void grenade_t::render_to(render::state_t *render)
+{
+	render->render(game->now, &assets::soldier.grenade, render_bounds);
+}
+
+}
\ No newline at end of file