Add new C++ support

CONTRIBUTORS

@@ -1,6 +1,6 @@
 Joe Fenton
 Misty De Meo
-Romulo Leitão
+Romulo Leitao
 AJBats
 misscelan
 Tiago Rezende

libyaul/build-files.mk

@@ -219,7 +219,13 @@ LIB_SRCS+= \
 	gamemath/fix16/fix16_vec2.c \
 	gamemath/fix16/fix16_vec3.c \
 \
+	gamemath/c++/angle.cxx \
+	gamemath/fix16/c++/fix16.cxx \
+	gamemath/fix16/c++/fix16_vec2.cxx \
 	gamemath/fix16/c++/fix16_vec3.cxx \
+	gamemath/fix16/c++/fix16_mat33.cxx \
+	gamemath/fix16/c++/fix16_mat43.cxx \
+	gamemath/fix16/c++/fix16_quat.cxx \
 \
 	gamemath/int16.c \
 	gamemath/int32.c \

libyaul/gamemath/c++/angle.cxx

@@ -0,0 +1,8 @@
+#include <gamemath/gamemath/angle.h>
+
+#if defined(__cplusplus)
+
+namespace yaul {
+} // namespace yaul
+
+#endif /* __cplusplus */

libyaul/gamemath/fix16/c++/fix16.cxx

@@ -0,0 +1,65 @@
+/*-
+ * Copyright (c) Authors of libfixmath
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+
+#include <cpu/divu.h>
+#include <gamemath/angle.h>
+#include <gamemath/fix16.h>
+#include <stdbool.h>
+
+namespace yaul {
+
+angle
+fix16::rad_to_angle() const
+{
+    constexpr fix16 OneOver2Pi { FIX16(1.0 / (2.0 * M_PI)) };
+    return angle { static_cast<::angle_t>((*this * OneOver2Pi).value) };
+}
+
+angle
+fix16::deg_to_angle() const
+{
+    constexpr fix16 OneOver2Pi { FIX16(1.0 / (2.0 * M_PI)) };
+    return angle { static_cast<::angle_t>((deg_to_rad() * OneOver2Pi).value) };
+}
+
+void
+fix16::start_divu_1_over_value(fix16 v)
+{
+    ::cpu_divu_fix16_set(One.value, v.value);
+}
+
+void
+fix16::start_divu(fix16 num, fix16 denom)
+{
+    ::cpu_divu_fix16_set(num.value, denom.value);
+}
+
+fix16
+fix16::get_divu_quotient()
+{
+    return fix16 { static_cast<fix16_t>(::cpu_divu_quotient_get()) };
+}
+
+} // namespace yaul

libyaul/gamemath/fix16/c++/fix16_mat33.cxx

@@ -0,0 +1,35 @@
+/*
+ * Copyright (c)
+ * See LICENSE for details.
+ *
+ * Mattias Jansson
+ * Israel Jacquez <[email protected]>
+ * Romulo Leitao <[email protected]>
+ */
+
+#include <assert.h>
+
+#include <gamemath/fix16/fix16_mat33.h>
+#include <gamemath/math3d.h>
+
+namespace yaul {
+
+fix16_mat33
+fix16_mat33::look_at(const fix16_vec3 &from, const fix16_vec3 &to,
+    const fix16_vec3 &up)
+{
+    fix16_mat33 result;
+
+    lookat_t lookat;
+    lookat.from = from.as_fix16_vec3_t();
+    lookat.to = to.as_fix16_vec3_t();
+    lookat.up = up.as_fix16_vec3_t();
+    lookat.basis_right = result.row[0].as_fix16_vec3_t();
+    lookat.basis_up = result.row[1].as_fix16_vec3_t();
+    lookat.basis_forward = result.row[2].as_fix16_vec3_t();
+
+    math3d_lookat(&lookat);
+    return result;
+}
+
+} // namespace yaul

libyaul/gamemath/fix16/c++/fix16_mat43.cxx

@@ -0,0 +1,8 @@
+#include <gamemath/fix16/fix16_mat43.h>
+
+#if defined(__cplusplus)
+
+namespace yaul {
+} // namespace yaul
+
+#endif /* __cplusplus */

libyaul/gamemath/fix16/c++/fix16_plane.cxx

@@ -0,0 +1,8 @@
+#include <gamemath/fix16/fix16_plane.h>
+
+#if defined(__cplusplus)
+
+namespace yaul {
+} // namespace yaul
+
+#endif /* __cplusplus */

libyaul/gamemath/fix16/c++/fix16_quat.cxx

@@ -0,0 +1,8 @@
+#include <gamemath/fix16/fix16_quat.h>
+
+#if defined(__cplusplus)
+
+namespace yaul {
+} // namespace yaul
+
+#endif /* __cplusplus */

libyaul/gamemath/fix16/c++/fix16_vec2.cxx

@@ -0,0 +1,8 @@
+#include <gamemath/fix16/fix16_vec2.h>
+
+#if defined(__cplusplus)
+
+namespace yaul {
+} // namespace yaul
+
+#endif /* __cplusplus */

libyaul/gamemath/fix16/c++/fix16_vec3.cxx

@@ -1,22 +1,18 @@
 #include <gamemath/fix16/fix16_vec3.h>
+#include <gamemath/fix16/fix16_quat.h>
 
-bool fix16_vec3_t::is_near_zero(fix16_t epsilon) const {
-    // TODO: Implement this in C and use it here
-    return x.is_near_zero(epsilon) && y.is_near_zero(epsilon) && z.is_near_zero(epsilon);
-}
+#if defined(__cplusplus)
+
+namespace yaul {
 
-void fix16_vec3_t::end_normalization() {
-    const fix16_t scale = fix16_t{cpu_divu_quotient_get()};
+const fix16_vec3 fix16_vec3::operator*(const fix16_quat &other) const
+{
+    fix16_vec3_t result;
+    fix16_quat_vec3_mul(other.as_fix16_quat_t(), as_fix16_vec3_t(), &result);
 
-    x = fix16_mul(scale, x);
-    y = fix16_mul(scale, y);
-    z = fix16_mul(scale, z);
+    return fix16_vec3 { result.x, result.y, result.z };
 }
 
-fix16_vec3_t fix16_vec3_t::reflect(const fix16_vec3_t& v, const fix16_vec3_t& normal) {
-    // TODO: Move this to a C function
-    const fix16_t factor = dot_product(v, normal) << 1;
-    const fix16_vec3_t proj = normal * factor;
+} // namespace yaul
 
-    return (v - proj);
-}
+#endif /* __cplusplus */

libyaul/gamemath/fix16/fix16_mat43.c

@@ -3,7 +3,7 @@
  * See LICENSE for details.
  *
  * Israel Jacquez <[email protected]>
- * Romulo Fernandes <[email protected]>
+ * Romulo Leitao <[email protected]>
  */
 
 #include <string.h>